Assume that the data has a normal distribution also assume, Ask an Expert

Statistics

Assume that the data has a normal distribution. also assume that the standard deviation of the population, sigma, is known. find the critical value(s) used to test the claim that the mean of the population is greater than 90. Assume that the level of significance is 0.05

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9986612

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Loking for guidancea distribution of exam scores has mu

Looking for guidance: A distribution of exam scores has μ = 90 and σ = 10. In this distribution, Sharon's score is 9 points above the mean, Jill has a z-score of +1.20, Steve's score is ½ standard deviation above the mea ...

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 ...

You need to have accumulated savings of 2 million by the

You need to have accumulated savings of $2 million by the time that you retire in 20 years. You currently have savings of $200,000. How much do you need to save each year to meet your goal if your savings earn a return o ...

In this question are you just using the empirical ruleyou

In this question are you just using the empirical rule? You know that your population is normally distributed with a mean of 100 and a standard deviation of 15. Using the empirical rule as a rough approximation, what is ...

Below are commute times and amounts of rainfall for a few

Below are commute times and amounts of rainfall for a few randomly selected dates last year. Rain (mm) Commute time (min) 3 20 0 10 1 25 9 30 15 60 12 25 Treat "Rain" as the X variable Compute the value of r for the corr ...

You have a bag containing poker chips there are 18 total

You have a bag containing poker chips. There are 18 total chips, consisting of 9 white chips, 6 blue chips, 2 red chips, and 1 green chip. a. You remove one chip from the bag. What is the probability that the chip is blu ...

On the production line the company finds that 997 of

On the production line the company finds that 99.7% of products are made correctly. You are responsible for quality control and take batches of 30 products from the line and test them. What number of the 30 being incorre ...

Initial outlay is 16853year 1 5625year 2 5504year 3

Initial outlay is $16,853 Year 1 $5,625 Year 2 $5,504 Year 3 $5,892 Year 4 $8,851 What is the discounted payback period? The discount rate is 10%...Round answer to two decimal points

Which is more detrimental to the sale of a popular athletes

Which is more detrimental to the sale of a popular athlete's paraphernalia, bad behavior on-the-field or bad behavior off-the-field? What is the Null Hypothesis: What is the Alternative Hypothesis:

A sales table at anthonys department store contains a pile

A sales table at Anthony's Department Store contains a pile of sweaters, 19 medium size and 20 small size. A sweater is selected at random. Find the probability that it is a small size. Round your percentage to the tenth ...

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