1. X is a normally distributed variable with mean μ = 30 and standard deviation σ = 4.
Draw a graph and Find:
a) P(x < 40) b) P(x > 21) c) P(30 < x < 35)
1. X is a normally distributed variable with mean μ = 30 and standard deviation σ...
X is a normally distributed variable with mean μ = 30 and standard deviation σ = 4. Find P(x < 40)?
Assume the random variable x is normally distributed with mean μ=88 and standard deviation σ=4. Find the indicated probability. P(78<x<82)
Assume the random variable x is normally distributed with mean μ=50 and standard deviation σ=7. Find the indicated probability. P(x>34)
Assume the random variable x is normally distributed with mean μ=50 and standard deviation σ=7. Find the indicated probability. P (x>38)
6) Assume X is a normally distributed random variable with mean μ= 53 and standard deviation σ-12. Find P(52<X< 62). A) 0.5137 B)0.4269 C) 0.3066 D) 0.2108 E) 0.3635
Assume the random variable x is normally distributed with mean μ=82 and standard deviation σ=44. Find the indicated probability. P(x<79 ) P(xl<79 )=______ (Round to four decimal places as needed.)
X is normally distributed with mean μ= 5.2 and standard deviation σ= 1.4. A. Find the z-score corresponding to X= 7.3. B. Compute P(X≤7.3) C. Compute P(X>7.3)
Assume the random variable X is normally distributed with mean μ=50 and standard deviation σ=7. Compute the probability. Be sure to draw a normal curve with the area corresponding to the probability shaded. P(X>38)=________ (Round to four decimal places as needed.)
Assume the random variable x is normally distributed with mean μ=85 and standard deviation σ=4. Find the indicated probability.P(x<81)
Assume the random variable X is normally distributed with mean μ=50 and standard deviation σ=7. Find the 96th percentile. The 96th percentile is _______