A population of values has a normal distribution with μ=52.1 and σ=76.5. You intend to draw a random sample of size n=140.
Find the probability that a single randomly selected value is between 56.6 and 67.
P(56.6 < X < 67) =
Find the probability that a sample of size n=140n=140 is randomly selected with a mean between 56.6 and 67.
P(56.6 < M < 67) =
Enter your answers as numbers accurate to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.
