Question 161 / 187:  Complete the following sentence. As part of an investigation to study the transaction costs of tellers versus ATMs, a bank has collected a sample of 36 teller transaction costs. The average transaction cost for the sample was $1.39. It is known from previous experience that the population standard deviation of the transaction cost is approximately $0.29. As per the central limit theorem, the sampling distribution of mean teller transaction costs would tend to be:
A  an exponential distribution.
B  a normal distribution.
C  a chi-square distribution.
D  a t-distribution.
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Business Statistics

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Attribution:  David T. Bourgeois, PhD; Bharatendra K. Rai, PhD. Business Statistics. The Saylor Academy 2014, http://www.saylor.org/courses/bus204/
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