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Mathematics, 20.12.2019 22:31 putaprincess16

The average daily volume of a computer stock in 2011 was p = 35.1 million shares, according to a reliable source. a stock analyst believes that the stock volume in 2014 is different from the 2011 level. based on a random sample of 40 trading days in 2014, he finds the sample mean to be 30.9 million shares, with a standard deviation of s = 11.8 million shares. test the hypotheses by constructing a 95% confidence interval. complete parts (a) through (c) below. a. state the hypotheses for the test. b. construct a 95% confidence interval about the sample mean of stocks traded in 2014.c. determine if the researcher

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