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?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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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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