Consider a random variable x sim n 8 16a if x macr is the, Ask an Expert

Economics

Consider a random variable X ∼ N (8, 16).

(a) If X ¯ is the sample mean obtained from a random sample of 25 draws from this population, how is X ¯ distributed? Hint: a correct answer is more than just the name of the distribution.

(b) What is the probability of obtaining an X ¯ more than 2 standard deviations from the mean?

View complete question

Business Economics, Economics

Category:- Business Economics
Reference No.:- M91707569

Have any Question?Write your Review or question?

Related Questions in Business Economics

The question is suppose z sim n01 a find c such that pz le

The question is: Suppose Z ∼ N(0,1). (a) Find c such that P(Z ≤ c) = 0.75. (b) With respect to the standard normal distribution, what would be an appropriate name to call c?

Cowcor copr makes yummy cheeseburgers and fries it has 16

COWCOR COPR makes yummy cheeseburgers and fries. It has $1.6 million in debt outstanding, equity valued at $2.3 million, and pays corporate income tac at a 39% rate. Its cost f equity is 13% and its cost of debt is 5%. A ...

When we look at the ease to enter the different market

When we look at the ease to enter the different market structure, there is no doubt that 'monopoly' is the hardest. Why? -- There is only ONE firm that has established 'economies of scale' with the production of their go ...

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 ...

We live in kapurkua a small island in the mediterranean

We live in Kapurkua, a small island in the mediterranean between Greece and Spain (no, it doesn't really exist so don't look it up in the map). In the island we produce and consume canoes, latreks (a garment that is comf ...

Below is my attempt at answering a quiz question and i am

Below is my attempt at answering a quiz question and I am seeking feedback (my answers are in bold): The Final Exam scores for all students enrolled in STAT 200 have a mean score of 72. One randomly selected section of S ...

From a random sample of 68 businesses it is found that the

From a random sample of 68 businesses, it is found that the mean time that employees spend on personal issues each week is 5.8 hours with a standard deviation of 0.35 hours. What is the 95% confidence interval for the am ...

The risk-free rate is 6 and the expected rate of return on

The risk-free rate is 6% and the expected rate of return on the market portfolio is 13% a. Calculate the required rate of return on a security with a beta of 1.15. (Do not round intermediate calculations. Enter your an ...

In the summer of 2013 walt disney released the lone ranger

In the summer of 2013, Walt Disney released The Lone Ranger, starring Johnny Depp and produced by Jerry Bruckheimer. The film bombed at the box office: Worldwide, it earned about $245 million in revenue, well below the $ ...

A lottery game has balls numbered 1 through 19 what is the

A lottery game has balls numbered 1 through 19. What is the probability of selecting an even numbered ball or a 9

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 Business Economics Expert