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that 72 of them respond and 13 refuse to respond. When 265 people in the 22-29 a

ID: 3050073 • Letter: T

Question

that 72 of them respond and 13 refuse to respond. When 265 people in the 22-29 age bracket are contacted, 247 respond and 18 refuse to respond. Assume that I of the 350 people is randomly selected. Find the probability of getting someone in the 18-21 age bracket or someone who refused to respond levels of among persons contacted in surveys. A pollster contacts 85 people in the 18-21 age bracket and finds Due in 5 hours, 7 minutes. Due Sun 02/25/2018 11:59pm Report the answer as a percent rounded to one decimal place accuracy. You need not enter the"%" symbol. a Points possible: 10 This Mac can't

Explanation / Answer

Solution:

1) P(person is in the 18-21 age bracket or refused to respond) = [(ages 18-21) + (other age brackets who refused)] ÷ (total people)

= (85 + 18) ÷ 350

= 0.294285714