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PayPal is interested in estimating the average number of transactions per year for their active account users. The number of transactions per year is normally
PayPal is interested in estimating the average number of transactions per year for their active account users.
The number of transactions per year is normally distributed. A random sample of size 16 is obtained from this population.The mean and standard deviation of the number of transactions for this sample are 87 and 10, respectively.
Calculate a 95% confidence interval for the population mean number of transactions. Give the upper limit (the right hand side of the interval) in the space provided.(2dp)
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