question no 1:

Olive Construction Company is determining whether it should submit a bid for a new shopping center. In the past, Olive's main competitor, Base Construction Company, has submitted bids 70% of the time. If Base Construction Company does not bid on a job, the probability that Olive Construction Company will get the job is 0.50. If Base Construction Company does bid on a job, the probability that Olive Construction Company will get the job is 0.25. a) What is the probability that Olive Construction Company will get the job?

b) If Olive Construction Company gets the job, what is the probability that Base Construction Company did not bid?

question no 2:

Approximately 8% of men are color blind. If two men are independently and randomly chosen, find the probability of the following events.

a) Both are color blind

b) Both are not color blind

c) One is color blind and the other is not color blind

question no 3:

In a four-cylinder engine there are four spark plugs. If any one of them malfunctions, the car will idle roughly and power will be lost. Suppose that for a certain brand of spark plugs, the probability that a spark plug will function properly after 10,000 km is 0.90. Assuming that the spark plugs operate independently, what is the probability that the car will idle roughly after 10,000 km?

NOTE: must be computer typed written