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To test H: u = 20 versus H:u< 20, asimple random sample size of n=18 is obtained from population that is known tobe normally distributed.<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />
a. If x- =18.3 and s =4.4 compute the test statistic.
T= (round to 2 decimal places as needed).
A study of 35 golfers showed that their averages score on a particular course was 92. The standard deviation of the sample is 5.
Canada has two official languages, English and French. Choose a Canadian at random and ask, "What is your mother tongue?
the manager of a department store wants to determine what proportion of people who enter the store use the stores
1. based on past records a manufacturers repair facility for digital cameras has observed the following 50 of all
Your generation has been key in getting Marijuana ballot initiatives passed throughout the country. In fact, adding these measures on election ballots has been used to increase the number of young people who will come out to vote during mid-term e..
Following is based on information from Statistical abstract of the United States, Dec, 1992. Are A and B mutually exclusive?
a man claims to have extrasensory perception. as a test a fair coin is flipped 26 times and the man is asked to predict
Generate a 95% confidence interval for the difference in mean HDL levels between men when exercise regularly and those who do not.
in a poker game 5 cards are dealt from a standard 52 card deck that has been well shuffled. you are the only player in
consider the following problem a top nhl hockey player scores on 93 of his shots in a shooting competition. what is the
in a study of drug testing of olympic athletes at the university of texas in 2004 an athlete was either and illegal
At the .01 significance level, is there a relationship between job pressure and age?
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