# Question

Determine µx̄ and σx̄ from the given parameters of the population and the sample size.

µ = 80, σ = 14, n = 49

µ = 80, σ = 14, n = 49

## Answer to relevant Questions

Determine µx̄ and σx̄ from the given parameters of the population and the sample size. µ = 64, σ = 18, n = 36 A simple random sample of size n = 49 is obtained from a population with µ = 80 and σ = 14. (a) Describe the sampling distribution of x̄. (b) What is P(x̄ > 83)? (c) What is P(x̄ ≤ 75.8)? (d) What is P(78.3 < x̄ < ...The most famous geyser in the world, Old Faithful in Yellowstone National Park, has a mean time between eruptions of 85 minutes. If the interval of time between eruptions is normally distributed with standard deviation 21.25 ...According to Crown ATM Network, the mean ATM withdrawal is $67. Assume that the standard deviation for withdrawals is $35. (a) Do you think the variable “ATM withdrawal” is normally distributed? If not, what shape would ...n = 1000, p = 0.103Post your question

0