According to the United States Census Bureau, 18.3% of all households have 3 or more cars. In a random sample of 20 households, what is the probability that: a. exactly 5 have 3 or more cars? b. less than 4 have 3 or more cars? 2. The probability that a patient recovers from a delicate heart operation is 0.9. What is the probability that exactly 5 of the next 7 patients having this operation survive?
According to the United States Census Bureau, 18.3% of all households have 3 or more cars. In a random sample of 20 households, what is the probability that: a. exactly 5 have 3 or more cars? b. less than 4 have 3 or more cars? 2. The probability that a patient recovers from a delicate heart operation is 0.9. What is the probability that exactly 5 of the next 7 patients having this operation survive?
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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1. According to the United States Census Bureau, 18.3% of all households have 3 or more cars. In a random sample of 20 households, what is the
a. exactly 5 have 3 or more cars?
b. less than 4 have 3 or more cars?
2. The probability that a patient recovers from a delicate heart operation is 0.9. What is the probability that exactly 5 of the next 7 patients having this operation survive?
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