1. The annual sales or a large company is uniformly distributed from Php 500.000 to Php 800.000. At Php 600.000 the company breaks even A turning the peso sales is measured to any degree of accuracy.

a. What is the probability that the company makes a profit?

b. What is the probability that sales is between Php 650,000 and Php 750,000?

c. What would be the expected annual peso sales?

2. A train arrives at a station every hour between 1:00p.m. and 9:00p.m. What is the probability that a man entering the station between 1:00p.m. and 2:00p.m. will have to wait for at least 15 minutes?

3. The distribution of personal daily water usage in a large city is uniformly distributed with a mean of 20 gallons and a variance of 4. What is the probability that

a. At least 18 gallons is used in a particular day?

b. At least 18 is used for 2 days in a particular week?

4. The heights of engineering students arc normally distributed with a mean of 64 inches and a standard deviation of 6 inches. What is the probability that an engineering student selected will have a height of

a. Less than 62 inches?

b. More than 62 inches?

c. Between 55.2 and 71.3 inches?

Answer rating: 100% (QA)

1 a Prob company makes a profit Prob production Break even 23 0667 ... View the full answer