Mathematics, 19.04.2021 08:20 jdisalle476

The daily revenue from the sale of fried dough at a local street vendor in Boston is known to be normally distributed with a known standard deviation of $120. The revenue on each of the last 25 days is noted, and the average is computed as $550. A 95% confidence interval is constructed for the population mean revenue. If the data from the last 40 days had been used, then the resulting 95% confidence intervals would have been . Select one:
a. wider confidence interval, with the same probability of reporting an incorrect interval
b. narrower confidence interval, with a larger probability of reporting an incorrect interval
c. narrower confidence interval, with the same probability of reporting an incorrect interval
d. wider confidence interval, with a larger probability of reporting an incorrect interval

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 19:00

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 23 = 10x a. -1.93, 11.93 b. 1.93, -11.93 c. 1.93, 11.93 d. -1.93, -11.93

Answers: 2

Answer

Mathematics, 22.06.2019 00:30

If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no. explain your mathematical thinking

Answers: 2

Answer

Mathematics, 22.06.2019 01:20

Describe how to determine the average rate of change between x = 4 and x = 6 for the function f(x) = 2x^3 + 4. include the average rate of change in your answer.

Answers: 3

Answer

Mathematics, 22.06.2019 03:00

Out of five men and five women, we form a committee consisting of four different people. assuming that each committee of size four is equally likely, find the probabilities of the following events: 1. the committee consists of two men and two women 2. the committee has more women than men. 3. the committee has at least one man. for the remainder of the problem assume that alice and bob are among the ten people being considered. 4. both alice and bob are members of the committee.

Answers: 2

Answer

You know the right answer?

The daily revenue from the sale of fried dough at a local street vendor in Boston is known to be nor...

Questions

Mathematics, 08.11.2020 22:00

Josh bought 3 bottles of grape juice and 5 bottles of water for a total of $14.50. Mary bought 2 bottles of grape juice and 3 bottles of water for a...