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?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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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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