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.
Answers: 3
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Mathematics, 21.06.2019 18:00
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Mathematics, 21.06.2019 18:50
Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling
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In a survey, people were asked whether they thought sun went around the planet Earth or vice versa....
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