# Question

Weekly demand at a grocery store for a brand of breakfast cereal is normally distributed with a mean of 800 boxes and a standard deviation of 75 boxes.

a. What is the probability that weekly demand is?

(1) 959 boxes or less?

(2) More than 1,004 boxes?

(3) Less than 650 boxes or greater than 950 boxes?

b. The store orders cereal from a distributor weekly. How many boxes should the store order for a week to have only a 2.5 percent chance of running short of this brand of cereal during the week?

a. What is the probability that weekly demand is?

(1) 959 boxes or less?

(2) More than 1,004 boxes?

(3) Less than 650 boxes or greater than 950 boxes?

b. The store orders cereal from a distributor weekly. How many boxes should the store order for a week to have only a 2.5 percent chance of running short of this brand of cereal during the week?

## Answer to relevant Questions

The lifetimes of a particular brand of DVD player are normally distributed with a mean of eight years and a standard deviation of six months. Find each of the following probabilities where x denotes the lifetime in years. In ...Recall from Exercise 6.28 that yearly returns on common stocks are normally distributed with a mean of 12.4 percent and a standard deviation of 20.6 percent. a. What percentage of yearly returns are at or below the 10th ...Is the height of a probability curve over a given point a probability? Explain. Repeat Exercise 6.48 with λ= 3 In Exercise 6.48 Suppose that the random variable x has an exponential distribution with 2. a. Write the formula for the exponential probability curve of x. What are the possible values of x? ...Anormal probability plot can be constructed using MINITAB. Use the selections Stat: Basic Statistics: Normality test, and select the data to be analyzed. Although the MINITAB plot is slightly different from the plot outlined ...Post your question

0