General motors pays for employee education. the hr director, Ask an Expert

Statistics

General Motors pays for employee education. The HR director would like to conduct a study on the average GPA of employees who have used this benefit to complete their degrees using a sample of education records over the past 10 years. GPA's range between 2.0 and 4.0. The mean GPA is estimated to be plus or minus .05 the population mean. The standard deviation is estimated to be .279. Use the 99% confidence interval to estimate the appropriate sample size needed to do the analysis.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9375667

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Some commercial aircraft fly with two engines assuming that

Some commercial aircraft fly with two engines. Assuming that the aircraft can land safely on a minimum of one engine, what is the probability of a catastrophe (non-safe landing due to engine failure) for the life of the ...

A company that manufactures gasoline station pumps must

A company that manufactures gasoline station pumps must ensure that it pumps at least 1 gallon of gasoline 84% of the time. If the population of pump amounts for a particular pump is normally distributed with mean μ and ...

According to recent study 143 of 453 technology ceos from

According to recent? study, 143 of 453 technology CEOs from around the world responded that technological advances will transform their business and 85responded that resource scarcity and climate change will transform th ...

The owner of the heating and air-conditioning company has

The owner of the heating and air-conditioning company has two employees that make service calls. He is interested in the number of service calls made per day. The sample standard deviation for employee A is 1.05 calls pe ...

A restaurant serves hot chocolate that has a mean

A restaurant serves hot chocolate that has a mean temperature of 175 degrees with a standard deviation of 8.1 degrees. Find the probability that a randomly selected cup of hot chocolate would have a temperature of less t ...

Calculate the rate of return available to shareholders for

Calculate the rate of return available to shareholders for a company financing $1 million of assets with the following three arrangements: i. all equity ii. 50 percent equity and 50 percent debt at an interest rate of 12 ...

The national safety council reported that 52 of american

The National safety council reported that 52% of American turnpike drivers are men. A sample of 300 cars traveling southbound on the New Jersey Turnpike yesterday revealed that 170 were driven by men. At a 99% level of c ...

Question suppose the gap is considering putting a factory

Question: Suppose the Gap is considering putting a factory outlet store on Main Street and they hire you to conduct some required research. You implement a survey and ask 225 students how much they believe they would spe ...

A researcher determines that students study an average of

A researcher determines that students study an average of 60 15 (M SD) minutes per week. Assuming these data are normally distributed, what is the z score for students studying 45 minutes per week?

A manufacturing company wishes to compare two production

A manufacturing company wishes to compare two production facilities based on Defective units out of total unit production. The company obtains random samples from both facilities. Facility A produced a total of 983 units ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert