> 77 7' 7 myopenmath.com C r V I .7 V In a large population, 67% of the people have been vaccinated. If 4 people are randomly selected, what is the probability that AT LEAST ONE of them has been vaccinated? Give your answer as a decimal to 4 places. [:] Question Help: IQ Written Example 8 Message instructor il E] l l H myopenmath.com ' 30/1 pt '01 34 @Details Score on last try: 0 of 1 pts. See Details for more. > Next question ' i 3 Get a similar question You can retry this question below Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. A pollster contacts 88 people in the 18-21 age bracket and finds that 75 of them respond and 13 refuse to respond. When 291 people in the 22-29 age bracket are contacted, 268 respond and 23 refuse to respond. Assume that 1 of the 379 people is randomly selected. Find the probability of getting someone in the 18-21 age bracket or someone who refused to respond. Report the answer as a percent rounded to one decimal place accuracy. You need not enter the "96" symbol. (Hint: It might be helpful to organize the data into a table first.) Question Help: [Q Written Example 8 Message instructor 7 : ED 7 ' " " " ' , \