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According to one study, it has been claimed that 65% of all single men in Montreal would welcome a woman taking the initiative in asking for a date. You decide to challenge this study by performing a little experiment of your own. You randomly select 15 single men from around Montreal and ask them if they would be comfortable with a woman asking them out for a date. If the claim made by the study was true, what is the probability that:
a) Exactly 9 men would say yes?b) Exactly 6 men would say no?c) More than 11 men would say yes?d) At most 4 men would say no?
Compute population µ and ð for the population. Find the z score for each population transform the original population into a new ppulation of N=5 with a mean µ=60 standard dev.ð=8.
Compute the mean of the sampling distribution? Compute the standard deviation of sampling distribution?
Compute the test statistic for the goodness of fit test. At 95% confidence using the p-value approach, test the hypotheses. What do you conclude about the distribution?
A recent study of minimum wage earners found that 51.3% of them are 16 to 24. suppose a sample of 600 minimum wage earners is selected. is it appropriate to use the normal approximation to the binomial distribution.
Consider a sample with data values of 10,20,12,17, and 16.... Compute the mean and median and explain how you get to the answer....
How does multilinear regression analysis apply to a profession? Specify the dependent value and the set of predictors. Where would you get the data?
Quality Progress, February 2005, reports on improvements in customer satisfaction and loyalty made by Bank of America. A key measure of customer satisfaction is the response (on a scale from 1 to 10) to the question
Use the given contingency table to (a) find the expected frequencies of each cell in the table, (b) perform a chi-square test for independence, and (c) comment on the relationship between the two variables.
Suppose the Internal Revenue Service is studying the category of charitable contributions. A sample of 26 returns is selected from young couples between the ages of 20 and 35 who had an adjusted gross income of more than $100,000.
Under what conditions should you use the Chi-Square Test to determine whether there is a difference between proportions of two independent populations?
The model that result is: y= 0.6 + 1.2x, where the dependent variable is the amount of sales, in thousands of dollars, realized during the week and the independent variable is the amount spent on newspaper advertising, in hundreds of dollars, duri..
What is the probability that a consumer selected at random: a. purchased fewer products than before? b. purchased the same number of products as before?
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