subject
Mathematics, 25.03.2020 06:37 Vrios4388

According to a study done by the Gallup organization, the proportion of Americans who are satisfied with the way things are going in their lives is 0.82. Suppose a random sample of 100 Americans is asked the question "Are you satisfied with the way things are going in your life?" What is the probability the proportion of people who answer yes exceeds 0.85? Would it be unusual for a survey of 100 Americans to reveal that 75 or fewer are satisfiedwith the way things are going in their life?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 18:30
Which of the following correctly justifies statement four of the two column proof? a. corresponding angles theorem b. transitive property of equality c. vertical angle theorem d. substitution property of equality
Answers: 1
question
Mathematics, 21.06.2019 20:10
Which function has the domain x> -11?
Answers: 1
question
Mathematics, 21.06.2019 22:00
The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.
Answers: 1
question
Mathematics, 21.06.2019 23:40
The function f(x)= -(x+5)(x+1) is down. what is the range of the function?
Answers: 3
You know the right answer?
According to a study done by the Gallup organization, the proportion of Americans who are satisfied...
Questions
question
Mathematics, 06.02.2021 02:20
question
Social Studies, 06.02.2021 02:20