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average daily volume of a computer stock in 2011 was =35.1 million shares, accom Ole source. A stock analyst believes that the stock volume
average daily volume of a computer stock in 2011 was =35.1 million shares, accom Ole source. A stock analyst believes that the stock volume in 2018 is different from the Based on a random sample of 30 trading days in 2018, he finds the sample mean = million shares, with a standard deviation of s 11.7 million shares. Test the hypothe tructing a 95% confidence interval. Complete parts (a) through (c) below. A. Reject the null hypothesis because =35.1 million shares does not fall in the comm interval. B. Reject the null hypothesis because =35.1 million shares falls in the confidence i C. Do not reject the null hypothesis because = 35.1 million shares does not fall in t confidence interval. D. Do not reject the null hypothesis because u = 35.1 million shares falls in the confic interval.
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