# Question: Use the following information to construct the confidence intervals specified

Use the following information to construct the confidence intervals specified to estimate µ.

a. 95% confidence for , x̄ = 3.5, σ and n = 60

b. 98% confidence for , x̄ = 23.89, σ and n = 75

c. 90% confidence for , x̄ = 0.974, σ and n = 32

d. 80% confidence for , x̄ = 12.1, N = 500, σ and n = 47

a. 95% confidence for , x̄ = 3.5, σ and n = 60

b. 98% confidence for , x̄ = 23.89, σ and n = 75

c. 90% confidence for , x̄ = 0.974, σ and n = 32

d. 80% confidence for , x̄ = 12.1, N = 500, σ and n = 47

## Answer to relevant Questions

For a random sample of 36 items and a sample mean of 211, compute a 95% confidence interval for µ if the population standard deviation is 23.A small lawnmower company produced 1,500 lawnmowers in 2005.In an effort to determine how maintenance-free these units were, the company decided to conduct a multiyear study of the 2005 lawnmowers. A sample of 200 owners of ...Assuming x is normally distributed; use the following information to compute a 90% confidence interval to estimateµ.Suppose a company from the United States does considerable business in the city of Johannesburg, South Africa and wishes to establish a per diem rate for employee travel to that city. The company researcher is assigned this ...The highway department wants to estimate the proportion of vehicles on Interstate 25 between the hours of midnight and 5:00 A.M. that are 18-wheel tractor trailers. The estimate will be used to determine highway repair and ...Post your question