In a survey of consumers age 12 years and older, respondents were asked how many cell phones are in use in their household. The results of the survey are summarized in the following table: Number of Cell Phones in the Household Number of Households 0 211 1 288 2 366 3 144 4 or more 89 Answer the following: (Express your answer as fractions, or as decimals rounded to 4 decimal places) a) What is the probability that a randomly chosen household has 2 cell phones in use? b) What is the probability that a randomly chosen household has 4 or more cell phones in use? c) What is the probability that a randomly chosen household has fewer than 4 cell phones in use?
In a survey of consumers age 12 years and older, respondents were asked how many cell phones are in use in their household. The results of the survey are summarized in the following table: Number of Cell Phones in the Household Number of Households 0 211 1 288 2 366 3 144 4 or more 89 Answer the following: (Express your answer as fractions, or as decimals rounded to 4 decimal places) a) What is the probability that a randomly chosen household has 2 cell phones in use? b) What is the probability that a randomly chosen household has 4 or more cell phones in use? c) What is the probability that a randomly chosen household has fewer than 4 cell phones in use?
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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In a survey of consumers age 12 years and older, respondents were asked how many cell phones are in use in their household. The results of the survey are summarized in the following table:
Number of Cell Phones in the Household |
Number of Households |
0 | 211 |
1 | 288 |
2 | 366 |
3 | 144 |
4 or more | 89 |
Answer the following: (Express your answer as fractions, or as decimals rounded to 4 decimal places)
a) What is the probability that a randomly chosen household has 2 cell phones in use?
b) What is the probability that a randomly chosen household has 4 or more cell phones in use?
c) What is the probability that a randomly chosen household has fewer than 4 cell phones in use?
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