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A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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12. It is estimated that 78% of Canadian women are 140 cm or taller. If a poll of 500 Canadian
women is conducted, what is the probability that more than 376 of them are 150 cm or taller?
a. Determine whether a normal approximation is reasonable for this situation.
b. Determine the indicated probability. (HINT: Consider if continuity correction is
required.)
C. Construct a 95% confidence interval for the proportion of women who are 140 cm or
taller.
Transcribed Image Text:12. It is estimated that 78% of Canadian women are 140 cm or taller. If a poll of 500 Canadian women is conducted, what is the probability that more than 376 of them are 150 cm or taller? a. Determine whether a normal approximation is reasonable for this situation. b. Determine the indicated probability. (HINT: Consider if continuity correction is required.) C. Construct a 95% confidence interval for the proportion of women who are 140 cm or taller.
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