Mathematics, 16.11.2019 05:31, whatnowb
Amajor blu-ray rental chain is considering opening a new store in an area that currently does not have any such stores. the chain will open if there is evidence that move than 5,000 of the 20,000 households in the area are equipped with blu-ray players. it conducts a telephone poll of 300 randomly selected households in the area and finds that 96 have blu-ray players. the value of the test statistic in this problem is approximately equal to 2.80. 2.60. 1.30. 1.94. a major blu-ray rental chain considering opening a new store in an area that currently does not have any such stores. the chain will open if there is evidence that more than 5,000 of the 20,000 households in the area are equipped with blu-ray players. it conducts a telephone poll of 300 randomly selected households in the area and finds beat 96 haw blu-ray players. the p - value associated with the test statistic in this problem is approximately equal to 0.0100 0.0013. 00.0051. 0.0026. a major blu-ray rental chain is considering opening a new store in an area that currently does not have any such stores. the chain will open if there is evidence that more than 5,000 of the 20.000 households in the area are equipped with blu-ray players. it conducts a telephone poll of 300 randomly selected households in the area and finds beat 96 have blu-ray players. the rental chain's conclusion from the hypothesis test using a 5% level of significance is to delay opening a new store until additional evidence is collected. not to open a new store. to open a new store. we cannot tell what bee derision should be from the information given. microsoft excel was used on a set of data involving the number of defective items found in a random sample of 46 cases of light bulbs produced during a morning shift at a plant a manager wants to know if the mean number of defective bulbs per case is greater than 20 during the morning shift she will make her decision using a test with a level of significance of 0.10. the following information was extracted from the microsoft excel output for the sample of 46 saws: n = 46, arithmetic mean = 28.00; standard deviation = 25.92; standard error = 3.82; null hypothesis; h_0; mu lessthanorequalto 20; a = 0.10; df = 45; t test statistic = 2.09; one-tail test upper critical value = 1.3006; p-value = 0.021; decision = reject.
Answers: 2
Mathematics, 21.06.2019 19:30, cykopath
Me max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 2
Mathematics, 21.06.2019 22:30, hannahkharel2
What is the least common multiple for 6 and 8? what is the least common multiple for 4 and 12 ? what is the least common multiple for 11 and 12? what is the least common multiple for 3 and 6?
Answers: 1
Amajor blu-ray rental chain is considering opening a new store in an area that currently does not ha...
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