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Use your calculator or other software to conduct a test of the hypothesis that mu=6 vs mu<6 for the following data. Give the p-value. 3 4 10 5 5 10 6 1 3 4
question a national survey claims that people buy music compact disks in equal percentages for the following five age
A large internet retailer, is studying the lead time (elapsed time between when an order is placed and when it is filled) for a sample of recent orders. The lead times are reported in days.
At the 0.05 level of significance, is there sufficient reason to believe that the integers are not being generated uniformly?
q1. a researcher is interested in comparing the effectiveness of three different kinds of therapy for anger problems.
the length of time to complete a door assembly on an automobile factory assembly line is normally distributed with mean
a small pilot study is run to compare a new drug for chronic pain to one that is currently available. participants are
a textbook publisher puts out 72 new books each year which are classified as elementary intermediate and advanced. the
jon works as a sanitation engineer for a zoo. every day he goes to work he feels like he is shoveling a great deal of
Why do a null and alternative hypothesis have to be mutually exclusive? When would you accept the null hypothesis? Can you give an example of this?
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?
Tthere is evidence that the two processes yield different average errors. Assume that the population standard deviations are equal. What is the null hypothesis?
Give an example representing a discrete probability distribution and a continuous probability distribution. Explain why your choice is discrete and continuous.
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