Question: Please show all work and necessary steps. Suppose men's height is normally distributed with a standard deviation 2.8 inches. You took a sample of 37

Please show all work and necessary steps.

Suppose men's height is normally distributed with a standard deviation 2.8 inches. You took a sample of 37 individuals. The average height for this sample is 70 inches. a. Test the hypothesis that this sample came from a population with an average height of 68.6 inches. What is your conclusion if a = .05 b. Your friend believes that you took the sample from a poor population and their height is below 68.6 inches. Is your friend correct? What is your conclusion? Use a = .05 (6+4)

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!

Data Table 2: Sodium Hypochlorite SDS information Items Physical State Route of Exposure & Symptoms Protective Equipment First Aid Procedures Fire-fighting Measures Chemical Reactivity Safe Storage...

Explanation not necessary / required. I would like to check my own responses against those of an expert. Question 1: The average American man consumes 9.6 grams of sodium each day. Suppose that the...

STAT 1000 Assignment 5 DUE: March 28th (Wed. Eve. Section), March 29th (T/Th. Sections), March 30th (MWF. Sections) SHOW ALL YOUR WORK 1. Hoping to attract more shoppers, a city builds a new public...

Math Statistic answer these questions and show ALL of you work the z- table is on the back of all statistic book 1) suppose you know that adult female height is normally distributed and the mean is...

Math 160 Midterm Review MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Provide an appropriate response. 1) The following frequency distribution...

U E S T I O N 1 Provide an appropriate response. Use a standard normal table to find the z-score that corresponds to the cumulative area of 0.7019. A . B . 0.83 5 0.83 5 C -0.53 . D 0.53 . Q U E S T...

Please show your work 1.A telephone survey uses a random digit dialing machine to call subjects. The random digit dialing machine is expected to reach a live person 15% of the time. a.True or...

True or False: The area under the normal curve drawn with regard to the population parameters is the same as the probability that a randomly selected individual of a population has these...

EM561 HW2 1. Given a set of 9 sample observations: 79, 100, 75, 83, 82, 85, 84, 79, 90. a) Calculate the sample mean; b) Calculate the sample variance and sample standard deviation; c) Calculate the...

A length of aluminum wire is connected to a precision 10.00-V power supply, and a current of 0.4212 A is precisely measured at 20.0oC. The wire is placed in a new environment of unknown temperature...

Although studies continue to show smoking leads to significant health problems, 20% of adults in the United States smoke. Consider a group of 250 adults. a. What is the expected number of adults who...

The market anomaly that refutes the semi - strong form of the efficient market hypothesis and could most likely be exploited to earn abnormal returns after commissions is: Group of answer choices...

A 4% semi-annual govt bond is maturing March 10, 2024. Accrued interest on this bond uses the 30/360 day-count convention. The coupon payments are made on 10 March and 10 Sept of each year. The bond...

Distinguish between primary and secondary information sources. Give an example of each. (Objective 3)

Mary Lous Family Cooking has been operating for 25 years. Several chain restaurants have moved into the area resulting in a highly competitive market.Mary Lous currently owes an $18,750 balance for...

While working as part of a research team, one of your coworkers tells you that failing to cite sources doesnt constitute plagiarism if youre writing an internal report. Do you agree or disagree? Why?...