question archive Hubble Construction Company has submitted a bid on a state government project that is to be funded by the federal government’s stimulus money in Arizona
Hubble Construction Company has submitted a bid on a state government project that is to be funded by the federal government’s stimulus money in Arizona
Subject:StatisticsPrice: Bought3
Hubble Construction Company has submitted a bid on a state government project that is to be funded by the federal government’s stimulus money in Arizona. The price of the bid was predetermined in the bid specifications. The contract is to be awarded on the basis of a blind drawing from those who have bid.
Five other companies have also submitted bids.
a. What is the probability of the Hubble Construction
Company winning the bid?
b. Suppose that there are two contracts to be awarded by a blind draw. What is the probability of Hubble winning both contracts? Assume sampling with replacement.
c. Referring to part b, what is the probability of
Hubble not winning either contract?
d. Referring to part b, what is the probability of
Hubble winning exactly one contract?
4-41. Drake Marketing and Promotions has randomly
Line
Contribution to Total
Proportion
Defective
surveyed 200 men who watch professional sports. The men were separated according to their educational level (college degree or not) and whether they preferred the NBA or the National Football League
1 0.40 0.05
2 0.35 0.10
3 0.25 0.07
(NFL). The results of the survey are shown: 4-44. A corporation has 11 manufacturing plants. Of these, 7 are domestic and 4 are outside the United States. Each
year a performance evaluation is conducted for 4
Sports
Preference
College
Degree
No College
Degree
randomly selected plants. What is the probability that a performance evaluation will include at least 1 plant
NBA 40 55
NFL 10 95
a. What is the probability that a randomly selected survey participant prefers the NFL?
b. What is the probability that a randomly selected survey participant has a college degree and prefers the NBA?
c. Suppose a survey participant is randomly selected and you are told that he has a college degree. What is the probability that this man prefers the NFL?
d. Is a survey participant’s preference for the NBA
independent of having a college degree?
