Mathematics, 27.06.2019 22:40 gtjermaine3249
Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. a pollster contacts 87 people in the 18-21 age bracket and finds that 74 of them respond and 13 refuse to respond. when 256 people in the 22-29 age bracket are contacted, 232 respond and 24 refuse to respond. assume that 1 of the 343 people is randomly selected. find the probability of getting someone in the 22-29 age bracket or someone who refused to respond.
Answers: 3
Another question on Mathematics
Mathematics, 21.06.2019 15:30
Maria donates a fixed amount, a, to a charity each month. if she donates $300 in 12 months, what is the equation for a? a. a + 300 = 12 b. a × 300 = 12 c. a × 12 = 300 d. a + 12 = 300 e. a + 32 = 100
Answers: 3
Mathematics, 21.06.2019 16:00
Awall map has a scale of 128 miles = 6 inches. the distance between springfield and lakeview is 2 feet on the map. what is the actual distance between springfield and lakeview? 384 miles 512 miles 1.13 miles 42.7 miles
Answers: 1
You know the right answer?
Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. a...
Questions
English, 15.04.2021 19:50
Mathematics, 15.04.2021 19:50
History, 15.04.2021 19:50
English, 15.04.2021 19:50
Mathematics, 15.04.2021 19:50
Mathematics, 15.04.2021 19:50
Mathematics, 15.04.2021 19:50
Social Studies, 15.04.2021 19:50
Mathematics, 15.04.2021 19:50
Mathematics, 15.04.2021 19:50
