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Question: An economics quiz contains six multiple-choice questions. Let x represent the number of questions a student answers correctly.
a. Is x a continuous or discrete random variable?
b. What are the possible values of x?
fat contents in percentage for 10 randomly selected hot dogs were given in the article sensory and mechanical
Write up the assignment the descriptive statistics section will go in the middle of the assignment, however you really need to do it first.
you have been asked by corporate to analyze some company-wide data from an annual customer satisfaction survey where
suppose a female bank employee believes that her salary is low as a result of sex discrimination. to substantiate her
A researcher is interested in knowing if there are differences between the incidence of accidents among male and female pilots. They were able to collect 62 responses from a random number of pilots. Among them, 17 male pilots were in accidents, 26 we..
Determine the posterior predictive probability P(y > .5/ y1,.... , y120) (the probability of a dangerous mercury level) and also the extreme value P(y > 3.0/y1, . . . , y120).
An online site presented this question, "Would the recent norovirus outbreak deter you from taking a cruise?" Among the 34, 123 people who responded, 63% answered "yes." Use the sample data to construct a 95% confidence interval estimate for the p..
Use what you have learned about hypothesis testing to answer the following questions.
a random sample of 25 lunch orders at noodles and company showed a mean bill of 14.58 with a standard deviation of
A particular factory can only inspect 46 mice per hour with a standard deviation of 10. At alpha=0.02 company have reason to believe that these inspectors are slower than average?
An aptitude test is designed to measure leadership abilities of the test subjects. Suppose that the scores on the test are normally distributed with a mean of 580 and a standard deviation of 120.
question an electronics company wants to compare the quality of their cell phones to the cell phones from three
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