A poll reported that 63% of adults were satisfied with the job the major airlines were doing. Suppose 25 adults are selected at random and the number who are satisfied is recorded. -Find and interpret the probability that exactly 13 of them are satisfied with the airlines. -Find and interpret the probability that between 11 and 14 of them, inclusive, are satisfied with the airlines. -Would it be unusual to find more than 22 who are satisfied with the job the major airlines were doing?
A poll reported that 63% of adults were satisfied with the job the major airlines were doing. Suppose 25 adults are selected at random and the number who are satisfied is recorded. -Find and interpret the probability that exactly 13 of them are satisfied with the airlines. -Find and interpret the probability that between 11 and 14 of them, inclusive, are satisfied with the airlines. -Would it be unusual to find more than 22 who are satisfied with the job the major airlines were doing?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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A poll reported that 63% of adults were satisfied with the job the major airlines were doing. Suppose 25 adults are selected at random and the number who are satisfied is recorded.
-Find and interpret the probability that exactly
13 of them are satisfied with the airlines.
-Find and interpret the probability that between
11 and 14 of them, inclusive, are satisfied with the airlines.
-Would it be unusual to find more than
22 who are satisfied with the job the major airlines were doing?
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