d. These genes are said to be in linkage the event that gene I is dominant is 2.
ID: 2945982 • Letter: D
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d. These genes are said to be in linkage the event that gene I is dominant is 2.3 the event that gene 2 is dominant. Are thew in linkage equilibrium? e. The senator is a Democrat. f. The senator is an Independent. g. The senator is a Democrat or an Independent. 18. A car dealer sold 750 automobiles last year. Th lowing table categorizes the cars sold by size and and presents the number of cars in each- car is to be chosen at random from the 750 for the owner will win a lifetime oee 20. An automobile insurance company divides customers into three categories, good risks, medium risks, and poor risks. Assume that 70% of the customers are pod risks, 20% are medium risks, and 10% are poor risks. Assume that during the course of a year, a good risk customer has probability 0005 of filing an acci dent claim, a medium risk customer has probability 0.01, and a poor risk customer has probability 0.025 A customer is chosen at random. 24. Size White Black Red Grey Small 102 71 33 134 Midsize 86 63 36 105 a What is the probability that the customer is a good risk and has filed a claim? b. What is the probability that the customer has filed c. Given that the customer has filed a claim, what is the probability that the customer is a good risk? a. If the car is small, what is the probability that it i b. If the car is white, what is the probability that it i C. If the car is large, what is the probability that is d. If the car is red, what is the probability that it e. If the car is not small, what is the probability t 21. Nuclear power plants have redundant components in important systems to reduce the chance of catastrophic failure. Assume that a plant has two gauges to measure the level of coolant in the reactor core and that each gauge has probability 0.01 of failing. Assume that one potential cause of gauge failure is that the electric ca- bles leading from the core to the control room where the gauges are located may burn up in a fire. Someone wishes to estimate the probability that both gauges 25, fail, and makes the following calculation it is not grey? P(both gauges fail)- P(first gauge fails) x P(second gauge fails) -(0.01)(0.01) - 0.0001 19. The following table presents the 100 senators of de 113th U.S. Congress on January 3, 2013, classified by political party affiliation and gender 26 a. What assumption is being made in this calculation? b. Explain why this assumption is probably mot justi- Male Female fied in the present case c. Is the probability of 0.0001 likely to be too high or ican Independent 2 too low? Explain. 22. Refer to Exercise 21. Is it possible for the proba- bility that both gauges fail to be greater than 0.01? A senator is selected at random from this group. pute the following probabilities a. The senator is a male Republican. b. The senator is a Democrat or a female. c. The senator is a Republican. d. The senator is not a Republican. Explain. 23. A lot of 10 components contains 3 that are defective. Two components are drawn at random and tested. Let A be the event that the first component drawn is defec-Explanation / Answer
we will use the frequencist approch to calculatiing probabilites
p(x)= x/total
x = male republican. From table x =41
sp prob =41/100 =.41
x= democrat and female
16/100 =.16
senator is republican
so x= 41+4 =45
p=45/100 =.45
p not repubical =1-(45/100) = 55/100 =.55
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