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Mathematics, 18.12.2019 18:31 angelkiss2019
Nielsen media research wants to estimate the mean amount of time, in minutes, that full-time college students spend texting each weekday. find the sample size necessary to estimate that mean with a 15 minute margin of error. assume that a 96% confidence level is desired and that the standard deviation is estimated to be 112.2 minutes.
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Nielsen media research wants to estimate the mean amount of time, in minutes, that full-time college...
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