A poll reported that 63​% of adults were satisfied with the job the major airlines were doing. Suppose 20 adults are selected at random and the number who are satisfied is recorded. Find and interpret the probability that between 9 and 12 of​ them, inclusive, are satisfied with the airlines.   The probability that between 9 and 12 ​adults, inclusive, are satisfied with the airlines is _______ (Round to 4 decimals)

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter6: Ratio, Proportion, And Probability
Section6.7: Probability And Odds
Problem 2C
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A poll reported that 63​% of adults were satisfied with the job the major airlines were doing. Suppose 20 adults are selected at random and the number who are satisfied is recorded.

Find and interpret the probability that between 9 and 12 of​ them, inclusive, are satisfied with the airlines.
 
The probability that between 9 and 12 ​adults, inclusive, are satisfied with the airlines is _______ (Round to 4 decimals)
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