# Question: Plastic bags used for packaging produce are manufactured so that

Plastic bags used for packaging produce are manufactured so that the breaking strengths of the bags are normally distributed with a standard deviation of 1.8 pounds per square inch. A random sample of 16 bags is selected.

a. The probability is 0.01 that the sample standard deviation of breaking strengths exceeds what number?

b. The probability is 0.15 that the sample mean exceeds the population mean by how much?

c. The probability is 0.05 that the sample mean differs from the population mean by how much?

a. The probability is 0.01 that the sample standard deviation of breaking strengths exceeds what number?

b. The probability is 0.15 that the sample mean exceeds the population mean by how much?

c. The probability is 0.05 that the sample mean differs from the population mean by how much?

## Relevant Questions

A sample of 100 students is to be taken to determine which of two brands of beer is preferred in a blind taste test. Suppose that, in the whole population of students, 50% would prefer brand A. a. What is the probability ...It is known that the incomes of subscribers to a particular magazine have a normal distribution with a standard deviation of $6,600. A random sample of 25 subscribers is taken. a. What is the probability that the sample ...Assume a normal distribution with known population variance. Calculate the margin of error to estimate the population mean, m, for the following. a. 98% confidence level; n = 64; σ2 = 144 b. 99% confidence level; n = 120; ...It is known that the standard deviation in the volumes of 20-ounce (591-millliliter) bottles of natural spring water bottled by a particular company is 5 millliliters. One hundred bottles are randomly sampled and ...Calculate the width for each of the following. a. n = 6; s = 40; α = 0.05 b. n = 22; s2 = 400; α = 0.01 c. n = 25; s = 50; α = 0.10Post your question