subject
Mathematics, 16.04.2021 19:10 xchainq

A community organization wishes to know the proportion of subjects who feel financially comfortable in a certain town. Based on last year's census, 64% of the residents in this town felt financially comfortable. In this year's survey 56 out of 115 randomly chosen subjects felt financially comfortable. comfortable.

If indeed the residents' economic opinions have NOT changed from last year, what's the probability of getting a survey of size n = 115, where 56 or fewer subjects say they feel financially comfortable?

a. 0.0006

b. 0.0003

c. 0.3245

d. 0.0927

e. 0.9997

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 15:40
Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?
Answers: 1
question
Mathematics, 21.06.2019 17:00
There is a spinner with 14 equal areas, numbered 1 through 14. if the spinner is spun one time, what is the probability that the result is a multiple of 2 or a multiple of 5?
Answers: 2
question
Mathematics, 21.06.2019 17:30
Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?
Answers: 3
question
Mathematics, 21.06.2019 21:00
Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct
Answers: 2
You know the right answer?
A community organization wishes to know the proportion of subjects who feel financially comfortable...
Questions
Questions on the website: 13722362