Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. a pollster contacts 95 people in the 18-21 age bracket and finds that 81 of them respond and 14 refuse to respond. when 247 people in the 22-29 age bracket are contacted, 215 respond and 32 refuse to respond. assume that 1 of the 342 people is randomly selected. find the probability of getting someone in the 22-29 age bracket or someone who refused to respond.

Our required probability is 0.097.

Step-by-step explanation:

Since we have given that

Age group                  respond                refused to respond              total

18-21                                81                                      14                             95

22-29                              215                                    32                           247

Total                               296                                    46                           342

So, probability of getting someone in the 22-29 age bracket or some one who refused to respond.

So, it becomes P(22-29 age group) × P(who refused to respond)

Hence, our required probability is 0.097.

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step-by-step explanation:

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step-by-step explanation: