EBK STATISTICAL TECHNIQUES IN BUSINESS
17th Edition
ISBN: 9781259924163
Author: Lind
Publisher: MCGRAW HILL BOOK COMPANY
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Chapter 20, Problem 20CE
To determine
State the decision made by an individual if the
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I need help with this problem and an explanation of the solution for the image described below. (Statistics: Engineering Probabilities)
A survey of 250 young professionals found that two-thirds of them use their cell phones primarily for e-mail. Can you conclude statistically that the population proportion who use cell phones primarily for e-mail is less than 0.72? Use a 95% confidence interval.
Question content area bottom
Part 1
The 95% confidence interval is [ ], [ ] As 0.72
is
▼
above the upper limit
within the limits
below the lower limit
of the confidence interval, we
▼
can
cannot
conclude that the population proportion is less than 0.72.
(Use ascending order. Round to four decimal places as needed.)
I need help with this problem and an explanation of the solution for the image described below. (Statistics: Engineering Probabilities)
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