Questions from Business Statistics

Q: You’re thinking about getting two dogs and a cat. Assume that

You’re thinking about getting two dogs and a cat. Assume that annual veterinary expenses are independent and have a Normal model with the means and standard deviations described in Exercise 46 . 1. De...

Q: In the 4—100 medley relay event, four swimmers swim

In the 4—100 medley relay event, four swimmers swim 100 yards, each using a different stroke. A college team preparing for the conference championship looks at the times their swimme...

Q: Bicycles arrive at a bike shop in boxes. Before they can

Bicycles arrive at a bike shop in boxes. Before they can be sold, they must be unpacked, assembled, and tuned (lubricated, adjusted, etc.). Based on past experience, the shop manager makes the followi...

Q: A farmer has 100 lb of apples and 50 lb of potatoes

A farmer has 100 lb of apples and 50 lb of potatoes for sale. The market price for apples (per pound) each day is a random variable with a mean of 0.5 dollars and a standard deviation of 0.2 dollars....

Q: The bicycle shop in Exercise 50 will be offering 2 specially priced

The bicycle shop in Exercise 50 will be offering 2 specially priced children models at a sidewalk sale. The basic model will sell for $120 and the deluxe model for $150. Past experience indicates that...

Q: At a certain coffee shop, all the customers buy a cup

At a certain coffee shop, all the customers buy a cup of coffee; some also buy a doughnut. The shop owner believes that the number of cups he sells each day is Normally distributed with a mean of 320...

Q: The Atlas Body Building Company (ABC) sells starter sets of

The Atlas Body Building Company (ABC) sells starter sets of barbells that consist of one bar, two 20-pound weights, and four 5-pound weights. The bars weigh an average of 10 pounds with a standard dev...

Q: The Minnesota Department of Transportation hoped that they could measure the weights

The Minnesota Department of Transportation hoped that they could measure the weights of big trucks without actually stopping the vehicles by using a newly developed weight-in-motion scale. To see if t...

Q: Find the expected value of each random variable: /

Find the expected value of each random variable:

Q: Think about the Hope Solo picture search again. You are opening

Think about the Hope Solo picture search again. You are opening boxes of cereal one at a time looking for her picture, which is in 20% of the boxes. You want to know how many boxes you might have to o...