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Question: Opening a restaurant. You are thinking about opening a restaurant and are searching for a good location. From research you have done, you know that the mean income of those living near the restaurant must be over $85,000 to support the type of upscale restaurant you wish to open. You decide to take a simple random sample of 50 people living near one potential location. Based on the mean income of this sample, you will decide whether to open a restaurant there.
(a) State appropriate null and alternative hypotheses. Be sure to define your parameter.
(b) Describe a Type I and a Type II error, and explain the consequences of each.
At α = .05, the hypothesis for the given issue is H0: Credits Earned and Certainty of Major are independent. Calculate the Chi-Square test statistic, degrees of freedom and the p-value
Figure out the necessary sample size to reduce sampling error to plus or minus $500. Do you need to have an estimate of the current mean income to answer this question? why or why not?
Your budget allows you to spend 90,000 som. To the nearest day, how long can you afford to stay in Kyrgyzstan, on average?- What's the standard deviation of your expenses for a trip of that duration?
Suppose we select a sample of 16 cuts from various CDs sold by CRA CDs, Inc. What can we say about the shape of the distribution of the sample mean?
Find the standard error of the mean Also establish an interval estimate around the sample mean using one standard deviation of the mean.
an accounting firm has been hired by a large computer company to test whether the proportion of accounts receivables
The railroad industry has developed a number of new types of equipment to re- place the standard boxcar. What is the rationale supporting the diversification of equipment?
Read: full English transcript of Osama bin Laden's speech. What are some examples of bin Laden's complaints against Western society?
the data gives the monthly sales for a cosmetic manufacturer yt and the corresponding monthly sales for the entire
In an experiment in which a die was rolled 188 times it was counted up how many times each face came up. The results are as follows:
Is there evidence of difference in mean life of bulbs produced by the two kinds of machines. What is your conclusion?
A study of nonfatal occupational injuries in the United States found that about 31% of all injuries in the service sector involved the back. The National Institute for Occupational Safety and Health (NIOSH) recommended conducting a comprehensive e..
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