1. Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probabilities.
P(3 ≤ x ≤ 6) ; μ = 4; σ = 2
2. Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probabilities.
P(10 ≤ x ≤ 26) ; μ = 15; σ = 4
3. Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probabilities.
P(50 ≤ x ≤ 70) ; μ = 40; σ = 15
4. Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probabilities.
P(7 ≤ x ≤ 9) ; μ = 5; σ = 1.2
5. Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probabilities.
P(8 ≤ x ≤ 12) ; μ = 15; σ = 3.2
6. Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probabilities.
P(40 ≤ x ≤ 47) ; μ = 50; σ = 15
7. Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probabilities.
P(x ≥ 30) ; μ = 20; σ = 3.4
8. Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probabilities.
P(x ≥ 120) ; μ = 100; σ = 15
9. Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probabilities.
P(x ≥ 90) ; μ = 100; σ = 15
10. Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probabilities.
P(x ≥ 2) ; μ = 3; σ = 0.25