57% of all Americans are home owners. If 31 Americans are randomly selected, find the probability that a. Exactly 17 of them are are home owners. b. At most 18 of them are are home owners. c. At least 17 of them are home owners. d. Between 15 and 21 (including 15 and 21) of them are home owners.
57% of all Americans are home owners. If 31 Americans are randomly selected, find the probability that a. Exactly 17 of them are are home owners. b. At most 18 of them are are home owners. c. At least 17 of them are home owners. d. Between 15 and 21 (including 15 and 21) of them are home owners.
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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Step 1: Provide given information
VIEWStep 2: Determine the distribution
VIEWStep 3: a) Find the probability that exactly 17 are home owners
VIEWStep 4: b) Find the probability that at most 18 are home owners
VIEWStep 5: c) Find the probability that at least 17 are home owners
VIEWStep 6: d) Find the probability that home owners are between 15 and 21
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