Question

Let X be a random variable with mean 10 and variance 16. A random sample of size 100 is selected from this population. The probability that the sample mean of these 100 observations less than 9 is most approximately

Select one:
a. 0.5629
b. 0.2931
c. 0.0538
d. 0.0062

Answer 1

Let X be a random variable with mean 10 and variance 16. A random sample of size 100 is selected from this population. The probability that the sample mean of these 100 observations less than 9 is most approximately

c.0538