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Estimating the average number of transactions per year

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Reference no: EM132154455

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)

Reference no: EM132154455

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