Question: For a normal population with a mean equal to 78 and a standard deviation equal to 17, determine the probability of observing a sample mean

For a normal population with a mean equal to 78 and a standard deviation equal to 17, determine the probability of observing a sample mean of 83 or less from a sample of size 8.

P(x<=83)=..... ( the answer for this question is 0.7973) please help to show to steps and explanation to get those answer

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

For a normal population with a mean equal to 78 and a standard deviation equal to 17 , determine the probability of observing a sample mean of 83 or less from a sample of size 8. P(x

6) A golf club currently has 400members that pay annual dues to play golf on the course. Historical records show that 36%of the members use the course at least once a week during the summer season....

For a normal population with a mean equal to 79 and a standard deviation equal to 14, determine the probability of observing a sample mean of 86 or less from a sample of size 8. Click here to view...

For a normal population with a mean equal to 80 and a standard deviation equal to 15, determine the probability of observing a sample mean of 85 or less from a sample of size 10.

For a normal population with a mean equal to 80 and a standard deviation equal to 15, determine the probability of observing a sample mean of 85 or less from a sample of size 10. AppendixLO1

For a normal population with a mean equal to 60 and a standard deviation equal to 10, determine the probability of observing a sample mean of 65 or less from a sample of size 16.

For 27 I only need B and the answer was wrong 0.966 27. A political pollster is conducting an analysis of sample results in order to make predictions on election night. Assuming a two-candidate...

1. Award: 10.00 points A sample of 35 observations is selected from a normal population. The sample mean is 28, and the population standard deviation is 6. Conduct the following test of hypothesis...

Find an equation of a parabola with a horizontal axis of symmetry and vertex (-2, 1) and containing the point (-3, 5).

Generate and discuss examples of problems and opportunities that have inspired change, both in business and in you, personally.

What is the difference between the real risk premium and the nominal risk premium?

Please help it's urgent thank you. please write 400-450 words. thank you QUESTION 4 (20 MARKS) The success of any project is dependent on a diverse range of skills, abilities and competencies of the...

5. Imagine a situation where you were really annoyed by someone elses behaviour. Try to find the positive intention behind the behaviour.

3. Imagine a communication situation at work or at home where you felt that you were locked (inflexible). Reflect on three alternative strategies that could have led to you becoming more flexible,...

4. In the next communication situation you are in, already think through three different communication strategies, which will make you achieve greater flexibility. Then practice on these as soon as...