Wheels Broward Col... Chase Bank... Forgot Your Homework Do Home.. Sta2023 TR 5

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Wheels Broward Col... Chase Bank... Forgot Your Homework Do Home.. Sta2023 TR 5 pm R1#577483 Homework: Section 4-3 HW Score: 0 of 1 pt 4.3.29 Hw Score: 63.89%, 11.5 of 18 pts Question Help in surveys. A pollster contacts 79 people in the 18-21 age bracket and finds t are contacted, 271 respond and 16 refuse to respond. Suppose that that 62 of them respond and 17 refuse to respond. When 287 people in the 22-29 age one of the 366 people is randomly selected. Find the probability of getting someone in the 22 29 age bracket or someone who responded Aperson is in the 22 29 age bracket or responded). (Do not round until the final answer. Then round to three decimal places as needed.) Enter your answer in the answer box and then click Check Answer Clear All

Explanation / Answer

P(person in the 22-29 age bracket or responded) = P(The person 22-29 age bracket) + P(responded) - P(The person 22-29 age bracket and responded)

= 287/366 + 333/366 - 271/366

= 349/366 = 0.95

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