Mathematics
Mathematics, 15.02.2021 20:20, Arealbot

In a​ survey, people were asked whether they thought sun went around the planet Earth or vice versa. Of 1874 ​people, 274 thought the sun went around Earth. a. What proportion of people in the survey believed the sun went around​ Earth?
b. Find a​ 95% confidence interval for the proportion of all people with this belief.
c. Suppose a scientist said that ​20% of people in the general population believe the sun goes around Earth. Using the confidence​ interval, would you say that was​ plausible? Explain your answer.

answer
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 20.06.2019 18:04, cutie777
The ratio of blue cards to green cards is 2 to 5. there are 8 blue cards. complete the diagram and explain how you can find the number of green cards.
Answers: 1
image
Mathematics, 21.06.2019 16:10, cuppykittyy
The probability that a college student belongs to a health club is 0.3. the probability that a college student lives off-campus is 0.4. the probability that a college student belongs to a health club and lives off-campus is 0.12. find the probability that a college student belongs to a health club or lives off-campus. tip: p(a or b) = p(a) + p(b) - p(a and b) 0.54 0.58 0.70 0.82
Answers: 2
image
Mathematics, 21.06.2019 19:00, alyo31500
Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.
Answers: 1
image
Mathematics, 21.06.2019 19:30, morganamandro9437
[15 points]find the quotient with the restrictions. (x^2 - 2x - 3) (x^2 + 4x + 3) ÷ (x^2 + 2x - 8) (x^2 + 6x + 8)
Answers: 1
Do you know the correct answer?
In a​ survey, people were asked whether they thought sun went around the planet Earth or vice versa....

Questions in other subjects:

Konu
Mathematics, 01.10.2019 06:00
Konu
Mathematics, 01.10.2019 06:10