Question

1. Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to four decimal places.)

μ = 14.3; σ = 3.5

P(10 ≤ x ≤ 26)=?

2.Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to four decimal places.)

μ = 5.9; σ = 1.1

P(7 ≤ x ≤ 9)=?

3. Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to four decimal places.)

μ = 110; σ = 20

P(x ≥ 120) =?

4. Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to four decimal places.)

μ = 2.8; σ = 0.36

P(x ≥ 2) =?

Answer 1