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During a recent year the average cost of making a movie was $54.8 million. This year, a random sample of 15 recent action movies had an average production cost of $62.3 million with a variance of $90.25 million. At the 0.05 level of significance, can it be concluded that it costs more than average to produce an action movie?
What is the expected value of M and the standard error of M for a sample of n=4 scores? What is the expected value of M and the standard error of M for a sample of n = 25 scores?
Can we conclude a difference in voting patterns for men vs. women? YES or NO (circle one)
What is it that differentiates a binomial probability distribution from any other probability distribution? & The employees at a General Motors assembly plant are polled as they leave work.
How many variables are there in this study? What are the levels of any variables you identified and what hypothesis test would be used to analyze these data? Justify your answer.
Is the bottled water you're drinking really purified water? A four year study of bottled water brands conducted by the natural resources found that 25% if bottled water is just tap water. Consider a sample of five bottled water brands, and let x e..
business and society march 2011 published a study on the sustainability behaviors of cpa corporations. the level of
in a hospital the time of birth of a baby within an hour interval eg between 500 and 600 in the morning is uniformly
suppose a regession analysis provides the following results bus04.0 bsub10.0 ssubb0-1.0 ssubb14.0 sst67.36 sse50.0 and
Private university loan default rate is below the rate for all universities, using a left-tailed test at s=.01? Calculate the p-value. Verfify the assumption of normality is justified
Bob throws six dice and wins if he scores at least one ace. Alice throws 12 dice and wins if she scores at least two aces. Who has the greater probability of winning?
a search engine site claims that on average one out of five visitors clicks on an ad.a if 8 users visit the site what
A consumer organization wants to know whether there is a difference in the price of a particular toy at three different types of stores.The price of the toy was checked in a sample of five discount stores, five variety stores, and five department ..
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