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An organization conducts a poll to determin the support the health care bill that just passed. In a random sample of 1000 adults surveyed, 498 responded "yes". We would like to test if the proportion of respondents that support the health care bill is less than 50%
a. what kind of hypothesis test is appropriate?
b. find the correct alternative hypothesis
c. find the calculated test value & p-values
d. find the correct conclusion @ 0.01 level of significance
The number of passengers arriving at an airport terminal average 1200 each hour. To process passengers (check in, take luggage, etc) take an average of 6 minutes each. There are 6 airport staffers processing passengers. How long is the average wai..
Explain the distribution of mean of samples of size 15.
The project requires you forecast the historical data, replicating the appropriate trends, seasonalities, week-over-week variability, etc. Please refer to the chapter and materials on Forecasting for the procedures to do.
Suppose the manufacturers claim is right, determine the probability the mean of sample is 47,840 miles or less?
The Kruskal-Wallis rank test is a nonparametric replacement - The Wilcoxon rank sum test tests a null hypothesis
One of the major measures of the quality of service provided by any organization is the speed with which responds to customer complaints. A large family-held department store selling furniture and flooring, including carpet, had undergone a major ..
Using data table given below, find out the range and median?
One thing you have learned is that the tangency portfolio will give you the maximum Sharpe ratio. Consequently, you have constructed such a portfolio. What are you portfolio weights.
Suppose that distribution is normally distributed. If worker at this fast food restaurant is chosen at random,determine the probability that worker earns more than $6.75?
How many ounces should they advertise on the box if they want to be sure that no more than 0.5% of the boxes are filled less than that advertised amount?
Finding an X score. All Bright University will consider an applicant for its MBA program who scores 95 percent or higher on the GMAT exam. The mean and standard deviation, respectively, for this test are 578 and 94. What is the lowest score (X) th..
Of the 1,4000 homemakers sampled, 420 were able to identify the brand by name. Compute the standard error of the proportion.
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