Question
Here are summary statistics for the weights of Pepsi in randomly selected cans: n=36, x=0.82411 lb, s=0.00569 lb. Use a confidence level of 95% to
Here are summary statistics for the weights of Pepsi in randomly selected cans:
n=36,
x=0.82411
lb,
s=0.00569
lb. Use a confidence level of
95%
to complete parts (a) through (d) below.
a. Identify the critical value
t/2
used for finding the margin of error.
t/2=
(Round to two decimal places as needed.)
Part 2
b. Find the margin of error.
E=
(Round to five decimal places as needed.)
c. Find the confidence interval estimate of
.
lb< lb
(Round to five decimal places as needed.)
Part 4
d. Choose a brief statement that interprets the confidence interval. Choose the correct answer below.
A.
There is a 95%
chance that the true value of the population mean weight of Pepsi in a can will fall between the lower bound and the upper bound.
B.
One has 95%
confidence that the sample mean weight of Pepsi in a can is equal to the population mean weight of Pepsi in a can.
C.
Approximately 95%
of sample mean weights of Pepsi in a can will fall between the lower bound and the upper bound.
D.
One has 95%
confidence that the interval from the lower bound to the upper bound contains the true value of the population mean weight of Pepsi in a can.
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