3 of 12 This Test: 12 pts poss n a survey of consumers aged 12 and older, respon

Question

3 of 12 This Test: 12 pts poss n a survey of consumers aged 12 and older, respondents were asked how many cell phones ware in use by the household (No two respondents were from the same household ) Among the respondents, 202 answered none, 278 said one 372 said "two 148 said "three, and 71 responded with four or more. A survey respondent is at random Flnd the probability that histher household has four or more cel phones in use. is it unilikoly for a household to have four or more cell phones in use? Consider an event to be unikoly its probabilty is less than or equal to 05 Round to three decimal places as needed) the probabilty of a respondent with four or more coll phones in use is less than or equal to 0 05 B. No, because he probability of a O C. Yes, because the probability of a 0 D. No s greater than 0 0 because the probability of a respondent with four or more cell phones in use is less than or equal to 0.05

Explanation / Answer

3 of 12 This Test: 12 pts poss n a survey of consumers aged 12 and older, respondents were asked how many cell phones ware in use by the household (No two respondents were from the same household ) Among the respondents, 202 answered none, 278 said one 372 said "two 148 said "three, and 71 responded with four or more. A survey respondent is at random Flnd the probability that histher household has four or more cel phones in use. is it unilikoly for a household to have four or more cell phones in use? Consider an event to be unikoly its probabilty is less than or equal to 05 Round to three decimal places as needed) the probabilty of a respondent with four or more coll phones in use is less than or equal to 0 05 B. No, because he probability of a O C. Yes, because the probability of a 0 D. No s greater than 0 0 because the probability of a respondent with four or more cell phones in use is less than or equal to 0.05

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