subject
Mathematics, 25.03.2021 17:30 liz3022

Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. A pollster contacts 105 people in the 18-21 age bracket and finds that 89 of them respond and 16 refuse to respond. When 248 people in the 22-29 age bracket are contacted, 213 respond and 35 refuse to respond. Assume that 1 of the 353 people is randomly selected. Find the probability of getting someone in the 22-29 age bracket or someone who does not respond

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 13:50
Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?
Answers: 1
question
Mathematics, 21.06.2019 17:00
Can anyone me with 32,33,36,37,and 40.
Answers: 1
question
Mathematics, 21.06.2019 21:00
Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?
Answers: 1
question
Mathematics, 22.06.2019 02:00
An amusement park manager determined that about 23 of all customers would wait in long lines to ride the new roller coaster. which simulation could not be used to answer questions about whether a customer would wait?
Answers: 1
You know the right answer?
Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. A...
Questions
question
Mathematics, 08.12.2020 19:30
question
English, 08.12.2020 19:40
question
English, 08.12.2020 19:40
question
Mathematics, 08.12.2020 19:40
Questions on the website: 13722367