Mathematics, 12.03.2020 04:26 453379
The manager of a grocery store has taken a random sample of 144 customers. The average length of time it took these 144 customers to check out was 3 minutes. It is known that the standard deviation of the population of checkout times is 1 minute. The 95% confidence interval for the true average checkout time (in minutes) is
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The manager of a grocery store has taken a random sample of 144 customers. The average length of tim...
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