Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. A pollster contacts 78 people

Question

3 years ago

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Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. A pollster contacts 78 people

in the 18-21 age bracket and finds that 66 of them respond and 12 refuse to respond. When 269 people in the 22-29 age bracket are contacted, 250 respond and 19 refuse to respond. Assume that 1 of the 347 people is randomly selected. Find the probability of getting someone in the 18-21 age bracket or someone who agreed to respond.

Mathematics

1 answer:

UkoKoshka [18] · Answer 1 · 2022-02-18T09:03:34+03:00

UkoKoshka [18]3 years ago

3 0

Answer:

Step-by-step explanation:

so i am confused what exactly do you want me to do?