# Question

A random sample of 81 items is taken, producing a sample mean of 47.The population standard deviation is 5.89.Construct a 90% confidence interval to estimate the population mean.

## Answer to relevant Questions

A random sample of size 70 is taken from a population that has a variance of 49.The sample mean is 90.4.What is the point estimate of µ? Construct a 94% confidence interval for µ.A community health association is interested in estimating the average number of maternity days women stay in the local hospital. A random sample is taken of 36 women who had babies in the hospital during the past year. The ...A random sample of 81 items is taken; producing a sample mean of 47. The population standard deviation is 5.89. Construct a 90% confidence interval to estimate the population mean.Cycle time in manufacturing can be viewed as the total time it takes to complete a product from the beginning of the production process. The concept of cycle time varies according to the industry and product or service being ...According to Runzheimer International, in a survey of relocation administrators 63% of all workers who rejected relocation offers did so for family considerations. Suppose this figure was obtained by using a random sample of ...Post your question

0