subject
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.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 16:30
Problem fathi wants to print out a pdf document that is 48 pages long. to save paper, he decides to print on both sides of each sheet and to print two pages on each side of the sheet. how many sheets of paper will he need?
Answers: 3
question
Mathematics, 21.06.2019 18:00
Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.
Answers: 1
question
Mathematics, 21.06.2019 18:00
1. a parachutist is 800 feet above the ground when she opens her parachute. she then falls at a constant rate of 5 feet per second. select the equation that represents this situation. h = -800t + 5 y = -5x + 800 h = 5t - 800 y = 800x + 5 i need
Answers: 1
question
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
Answers: 1
You know the right answer?
In a​ survey, people were asked whether they thought sun went around the planet Earth or vice versa....
Questions
question
Mathematics, 25.10.2019 20:43