Given
The current steel bolts have a mean diameter of 149 mm and a standard deviation of 8 mm.
If a random sample of 50 steel bolts is selected.
To find:
What is the probability that the sample mean would be greater than 148.1 mm?
Step-by-step explanation:
It is given that,
The current steel bolts have a mean diameter of 149 mm and a standard deviation of 8 mm.
If a random sample of 50 steel bolts is selected.
That implies,
