The body mass index bmi of an individual is one measure, Ask an Expert

Statistics

The body mass index (BMI) of an individual is one measure that is used to judge whether an individual is overweight or not. A BMI between 20 and 25 indicates that one is at a normal weight. In a survey of 750 men and 750 women, the Gallup organization found that 203 men and 270 women were normal weight. Is there significant evidence to conclude that there is a difference in the proportion of men and women who are normal weight.

1. State the null hypothesis and alternative hypothesis

2. What is the test statistic?

3. What is the critical value?

4. What is the decision regarding the null hypothesis?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91007641

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Name some marketing techniques and styles that you have

Name some marketing techniques and styles that you have encountered that demonstrate many of the strongpoints we learned in this course.

Consider the following difference equation and initial

Consider the following difference equation and initial condition(s). In each case, verify that the expression given for an (i) is a solution of the equation (ii) satisfies the initial condition(s). (a) an = 2(1/3)n satis ...

1 coal is carried from a mine in west virginia to a power

1. Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long train. The automatic hopper car loader is set to put 89 tons of coal into each car. The actual weights of coal loaded ...

Suppose we can only sample from uniform distribution 01

Suppose we can only sample from Uniform distribution (0,1) with k=3. Design an algorithm to simulate chi-square distribution with 2k freedom via general transformation method.

In a survey of 2936 adults 1431 say they have started

In a survey of 2936 adults, 1431 say they have started paying bills online in the last year. Construct a 99% confidence interval for the population proportion. A 99% confidence interval for the population proportion is ( ...

Which level of risk considers sources of danger or

Which level of risk considers sources of danger or uncertainties that have a direct and model-wide impact?

The company financial officer was interested in the average

The company financial officer was interested in the average cost of PCs that had been purchased in the past six months. A random sample of the price of 10 computers was taken with the following results (mean = $3,213): $ ...

Let random variable x represent the number of heads when a

Let random variable x represent the number of heads when a fair coin is tossed two times. (a) Construct a table describing the probability distribution. x P(x) 0 1 2 (b) Determine the mean and standard deviation o ...

Discuss if you think policy makers truly represent the

Discuss if you think policy makers truly represent the citizenry or are they pressured by third party special interest groups that support their campaigns. Should they represent both?

A if a firms marginal tax rate is increased this would

A. If a firm's marginal tax rate is increased, this would affect the cost of preferred stock used to calculate its WACC. T/F B. Suppose the debt ratio (Debt to total assets) is 30%, the current cost of debt is 8%, the cu ...

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