Mathematics problem solving
178175 questions • Page 116 / 3564
1) Suppose that your annual salary today is $52,000 and increases at the same ra
1) Suppose that your annual salary today is $52,000 and increases at the same rate as inflation [continuous compounding]. If inflation continues at an annual rate of 6%, how long …
1) Suppose the full reproductive isolation between two populations have evolved.
1) Suppose the full reproductive isolation between two populations have evolved. Can speciation in this cae be reversed, so that two forms merge into a single species? Under what …
1) Suppose the given represents the average number of emergency visits at a loca
1) Suppose the given represents the average number of emergency visits at a local hospital each hour. a) What is the probability of no calls for 2 hours and 15 minutes? b)…
1) Suppose the least squares solution to Y = beta(0) + beta(1)X is beta(0) = -5
1) Suppose the least squares solution to Y = beta(0) + beta(1)X is beta(0) = -5 and beta(1) = 7 a) When X = 6 the predicted value of Y is 37. b) When X = 6 the estimate for the me…
1) Suppose the supply function for a product is p=40+0.001x 2 and the demand fun
1) Suppose the supply function for a product is p=40+0.001x2and the demand function is p=120%u20130.2x, where x is the number of units and p is the price in dollars. If the market…
1) Suppose there are three routes from Byrne Hall to McGaw Hall and five routes
1) Suppose there are three routes from Byrne Hall to McGaw Hall and five routes from McGaw Hall to Monroe Hall. How many ways is it possible to travel from Byrne Hall to Monroe Ha…
1) Suppose there is a study where a researcher conducts an experiment to show th
1) Suppose there is a study where a researcher conducts an experiment to show that deep breathing exercises helps to lower blood pressure. The researcher takes two groups of peopl…
1) Suppose we use simple linear regression to analyze the relationship between a
1) Suppose we use simple linear regression to analyze the relationship between a response variable Y and an explanatory variable X. If we reject H0: = 0 in favor of HA: 0, what ca…
1) Suppose we use simple linear regression to analyze the relationship between a
1) Suppose we use simple linear regression to analyze the relationship between a response variable Y and an explanatory variable X. If we reject H0: = 0 in favor of HA: 0, what ca…
1) Suppose we use simple linear regression to analyze the relationship between a
1) Suppose we use simple linear regression to analyze the relationship between a response variable Y and an explanatory variable X. If we reject H0: = 0 in favor of HA: 0, what ca…
1) Suppose you are interested finding ways to improve people’s satisfaction with
1) Suppose you are interested finding ways to improve people’s satisfaction with their friendships. You feel that honesty and telling the truth may be important. Draw a scatter pl…
1) Suppose you are interested finding ways to improve people’s satisfaction with
1) Suppose you are interested finding ways to improve people’s satisfaction with their friendships. You feel that honesty and telling the truth may be important. Draw a scatter pl…
1) Suppose you buy a lottery ticket for $5.00. You have a 1/200 chance of winnin
1) Suppose you buy a lottery ticket for $5.00. You have a 1/200 chance of winning $100, a 1/100 chance of winning $50 an a 1/10 chance of winning $10. What is the expected value? …
1) Suppose you have 11 identical well-shuffled non-standard decks of cards, wher
1) Suppose you have 11 identical well-shuffled non-standard decks of cards, where each deck contains 115 cards of which of 87 of those cards are Aces. If you draw one card from ea…
1) Suppose you have a 26 factorial experiment that you want to put into 8 blocks
1) Suppose you have a 26 factorial experiment that you want to put into 8 blocks. a. Identify l, where 2l = the number of blocks. b. What is the block size? Remember we have 64 to…
1) Suppose you want to test whether the return on advertising expenditures is, o
1) Suppose you want to test whether the return on advertising expenditures is, on average, different between television and radio ads. You do not know the variances of the two pop…
1) Suppose you want to weigh yourself. Before stepping on the scale, you pick up
1) Suppose you want to weigh yourself. Before stepping on the scale, you pick up a 5 lb dumbbell and record your weight while holding it. You repeat this several times and use the…
1) Suppose you were hired to be on the campaign team of one of the presidential
1) Suppose you were hired to be on the campaign team of one of the presidential candidates (including past party nominees). Your job is to advise the candidate on what courses of …
1) Symbolize the premises and conclusion, 2) Make a truth table with columns for
1) Symbolize the premises and conclusion, 2) Make a truth table with columns for (at least) each premise and the conclusion, 3) Examine the truth table looking for rows where the …
1) THE probability that a visit to a doctor\'s office results in neither lab wor
1) THE probability that a visit to a doctor's office results in neither lab work nor referral to a specialist lab is 35%. Of those coming to work. Determine to a specialist. a doc…
1) Tai went to a shopping mall. He spent$25.75 on a shirt, $15.49 on a hat, and
1) Tai went to a shopping mall. He spent$25.75 on a shirt, $15.49 on a hat, and %9.95 on a poster, beforetax. Tax was 8.25% on all purchases. What was the total cost ofTai's purch…
1) Test statistic answer must be typed toneither 2 or 3 decimals depending on wh
1) Test statistic answer must be typed toneither 2 or 3 decimals depending on whether the Z or t table 2) Decision either reject H0 or fail to reject H0 Note: Answer the Question(…
1) The BMT corporation has a stock price of $75 per share, and has 20 million sh
1) The BMT corporation has a stock price of $75 per share, and has 20 million shares of stock outstanding. During the most recent year, the company had $100 million of net income …
1) The Charm City Snacks manufactures a snack mix by blending three ingredients:
1) The Charm City Snacks manufactures a snack mix by blending three ingredients: a dried fruit mixture, a nut mixture, and a cereal mixture. Information about the three ingredient…
1) The Environmental Protection Agency (EPA) rates the mean highway gas mileage
1) The Environmental Protection Agency (EPA) rates the mean highway gas mileage of the 2011 Ford Edge to be 27 miles per gallon (mpg). Assume the standard deviation is 3 mile…
1) The Force Table (revisited)- I am giving some of you another shot at Case 3 o
1) The Force Table (revisited)- I am giving some of you another shot at Case 3 only this time it's not a "nice" triangle. If that somehow complicated things for you last time, thi…
1) The Function S is given by the equation S(x)=4x-1 Find S(x+h)-S(x)/h for h ca
1) The Function S is given by the equation S(x)=4x-1 Find S(x+h)-S(x)/h for h cannot equal 0 2) The function H is given by the equation H(x)= x^2-2x Find H(x+h)-H(x)/ h for h cann…
1) The Galileo Orbiter gathered data about Jupiter and it’s moons. In particular
1) The Galileo Orbiter gathered data about Jupiter and it’s moons. In particular, magnetometer data from Jupiter’s moon Ganymede was provided to investigators at two universities.…
1) The Hall-Petch equation shows that ____yield Strenth___is a function of avera
1) The Hall-Petch equation shows that ____yield Strenth___is a function of average grain size. 2) A nucleation event that occurs independently of (i.e. without) a pre-existing sur…
1) The Health Department of Broken Branch, Idaho, kept records of employees abse
1) The Health Department of Broken Branch, Idaho, kept records of employees absences over 10 years. Based on a sample of 100 emplyees, the department found that the mean number of…
1) The IRS says (I am making up this scenario) that 5% of the population cheat o
1) The IRS says (I am making up this scenario) that 5% of the population cheat on the income taxes every year and the result is independent of age, ethnicity, and income bracket; …
1) The IRS says (I am making up this scenario) that 5% of the population cheat o
1) The IRS says (I am making up this scenario) that 5% of the population cheat on the income taxes every year and the result is independent of age, ethnicity, and income bracket; …
1) The Islands of the Crazoes has two types of inhabitants: knights- who always
1) The Islands of the Crazoes has two types of inhabitants: knights- who always tell the truth and knaves- who always lie. a) I met Connie and Devon. Connie said at least one of u…
1) The Mean Value Theorem says there must be a number c in the interval (0,2pi)
1) The Mean Value Theorem says there must be a number c in the interval (0,2pi) at which the tangent line to f(x) = cosx - sinx is parallel to the secant line for the graph joinin…
1) The P value for the regression model as a whole is A)0.01 B)0.05 C)0.001 D) n
1) The P value for the regression model as a whole is A)0.01 B)0.05 C)0.001 D) none of the above 2) what is the predicted consumption level for an economy with the GDP equal to 4 …
1) The Wind Mountain archaeological site is located in southwestern New Mexico.
1) The Wind Mountain archaeological site is located in southwestern New Mexico. Wind Mountain was home to an ancient culture of prehistoric Native Americans called Anasazi. A rand…
1) The \"jumping seal\" lives in Coconut Island. Because this is arn endangered
1) The "jumping seal" lives in Coconut Island. Because this is arn endangered species its population has been studied intensively Scientists have determined that the body size of …
1) The \"jumping seal\" lives in Coconut Island. Because this is arn endangered
1) The "jumping seal" lives in Coconut Island. Because this is arn endangered species its population has been studied intensively Scientists have determined that the body size of …
1) The actual values for 12 periods (shown in order) are: (1) 45 (2) 52 (3) 48 (
1) The actual values for 12 periods (shown in order) are: (1) 45 (2) 52 (3) 48 (4) 59 (5) 55 (6) 54 (7) 64 (8) 59 (9) 72 (10) 66 (11) 64 (12) 78 Using a 5 period simple m…
1) The actual values for 12 periods (shown in order) are: (1) 45 (2) 52 (3) 48 (
1) The actual values for 12 periods (shown in order) are: (1) 45 (2) 52 (3) 48 (4) 59 (5) 55 (6) 54 (7) 64 (8) 59 (9) 72 (10) 66 (11) 64 (12) 78 Using a 5 period simple m…
1) The amount of digital information created each month globally, t months after
1) The amount of digital information created each month globally, t months after the begginning of 2008, is approximately f(t)=400(t/2+1)1.09 (0<= t <= 36 ) billion gigabyte…
1) The amount of snowfall falling in a certain mountain rangeis noramlly distrib
1) The amount of snowfall falling in a certain mountain rangeis noramlly distributed with a mean of 104inches, and a standarddeviation of 16 inches. What is the probability that t…
1) The amount of time that customers wait in line during peak hoursat one bank i
1) The amount of time that customers wait in line during peak hoursat one bank is normally distributed with a mean of 14 minutes and astandard deviation of 4 minutes. The percenta…
1) The area under a normal curve is equal to 1 (100%). True or False 2) The diam
1) The area under a normal curve is equal to 1 (100%). True or False 2) The diameters of red delicious apples of an orchard have a normal distribution with a mean of 3 inches …
1) The arrival time of an elevator in a 12-story dormitory is equally likely at
1) The arrival time of an elevator in a 12-story dormitory is equally likely at any time range during the next 5.5 minutes. What is the probability that an elevator arrives in les…
1) The arrival time of an elevator in a 12-story dormitory is equally likely at
1) The arrival time of an elevator in a 12-story dormitory is equally likely at any time range during the next 5.5 minutes. What is the probability that an elevator arrives in les…
1) The average of 7 distinct integer is 12, and the least of these integers is -
1) The average of 7 distinct integer is 12, and the least of these integers is -15. What is the greatest that any of the integers could be? 2) The cereal Fruit Loops is 55% fiber.…
1) The below graph contains the ROc curves for two test subjects who performed 1
1) The below graph contains the ROc curves for two test subjects who performed 100 trials of a simple signal detection task. - subject one (S1) and subject two (S2). Which of the …
1) The boss say\'s you remember when business was bad last year . I had to cut e
1) The boss say's you remember when business was bad last year . I had to cut everyone's pay by 10%, will business is better so I can raise your pay by 10%. will that put you back…
1) The characteristic of a simple random sample that makes is possible to genera
1) The characteristic of a simple random sample that makes is possible to generalize results from the sample to the population from which it has been selected is that __________. …
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