e. equal to 1 d. positive 10. Which of the following is an example of a binomial
ID: 3371264 • Letter: E
Question
e. equal to 1 d. positive 10. Which of the following is an example of a binomial experiment? a. Rolling a die 10 times and observing for a number b. Selecting five c. Tossing a coin 20 times and observing for a head or a tail d. Drawing three marbles from a box opinion persons and observing whether they are in favor of an issue, against it, or have no that contains red, blue, and yellow marbles 10.) Part 2 Directions: Show all work on the examination paper. When using the calculator, you M write down the function button(s) you used to determine your answers. Do not just write a number as an answer-you MUST write down what the number represents. 11. A teacher selects two students at random from a group of 18 for being members of a committee. How many total combinations are possible? 12. An archeology club has 38 members. How many different ways can the club select a president, vice president, treasurer and secretary? 12. 13. a student must choose from 7 classes to take at 8:00 am, 4 classes to take at 9:00 am and 3 classes to take at 10:00 am. How many ways can the student arrange the schedule? 13. riable that assumes countable values is called a discrete random variable. the number of vehicles owned by a family is anExplanation / Answer
10. Answer is option C. Because, tossing a coin will have only two possible outcomes (heads or tails) which is a necessary condition for binomial distribution.
11. Number of ways of selecting 2 out of 18 = 18C2 = (18*17)/2 = 153.
12. Number of ways of selecting 4 people for 4 different posts out of 38 is = 38P4 = 38*37*36*35 = 1771560.
13. Number of ways of arranging the schedule= (7C1)*(4C1)*(3C1) = 7*4*3 = 84.
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