M=y2-y1/x2-x1
6-5/8-0
1/8
The answer is A
Hope this helps!
Given the population mean is
and population standard deviation is
.
Now sample mean is
and standard deviation of the sample mean is
.
Use Z-score for finding the probabilities. Use a standard normal distribution table.
a)The probability

b)The probability

c)The probability
