19.I need help
Posted: Sun Sep 05, 2021 5:04 pm
19.I need help
We select a random sample of (49) observations from a population with mean (81) and standard deviation (7), the probability that the sample mean is more (82.5) is 0.8413 0.9332 0.0668 0.1587
We select a random sample of (49) observations from a population with mean (81) and standard deviation (7), the probability that the sample mean is more (82.5) is 0.8413 0.9332 0.0668 0.1587