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(Choose 1 answer)
34 packages are randomly selected from
packages received by a parcel service. The
sample has a mean weight of 25.9 pounds
and a standard deviation of 3.8 pounds.
What is the 95 percent confidence interval
for the true mean weight of all packages
received by the parcel service?
A. (24.4: 27.4)
B. (24.8; 27.0)
C. None of the other choices is correct
D. (24.2: 27.6)
E. (24.6:27.2)
Let 20.025 1.96 and to.025.33 = 2.03
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