A population of values has a normal distribution
withμ= 20.9 and σ= 39.3 You intend to draw a random sample of size n=44
Find the probability that a single randomly selected value is less than 12.
P(X < 12)= ?
Find the probability that a sample of size n=44
is randomly selected with a mean less than 12.
P(¯x < 12) = ?
Enter your answers as numbers accurate to 4 decimal places.