tinolicious tinolicious

15-12-2022
Mathematics

Answered

Suppose you are told that a 95% confidence interval for the average price of a gallon of regular gasoline in your state is from $2.85 to $4.24. Use the fact that the confidence interval for the mean is in the form x − E to x + E to compute the sample mean and the maximal margin of error E. (Round your answers to two decimal places.)

Answer :

Other Questions

A set of data has a normal distribution with a mean of 56 and a standard deviation of 7. Find the percent of data within the following interval. from 42 to 70 T

What amount reduced by 19.4% is $115? Round your answer to two decimal places.

Consider a two-tailed test with a level of confidence of 85.70%. The z-value is _______.

For a normal variable X~ N(u= 30.1, o = 6.3), find the probability P(39.85 < X < 44.15) : P(39.85 < X < 44.15)= (Round the answer to 4 decimal place

Newsweek performed a poll in which 500 American parents were asked the question, “Would you prefer to have your child taught by a male or female for grades K-2?

The Morrit Corporation has $480,000 of debt outstanding, and it pays an interest rate of 11% annually. Morrit's annual sales are $3 million, its average tax rat

You are buying 3 shirts and 2 pairs of pants. You spend $300. Let x represent the price of the shirt and y represent the price of the pants. Write an equation t

For a uniform random variable X~ U(3, 23), find the probability P(13 < X < 15) as shown on the picture: P(13 < X < 15) = 7 8 9 10 11 12 13 14 15 16

Find the standard error of the mean for each sampling situation (assuming a normal population). Standard Error a. σ = 28, n = 4 b. σ = 28, n = 16 c. σ = 28,

In a recent survey conducted by the American veterinary medical association about 40.1% of household in the survey on adopt a pet have a margin of air of about