A normal distribution has a mean of 50 and a standard deviat

A normal distribution has a mean of 50 and a standard deviation of 6. Find the probability that a value selected at random is in the given interval. Please show me how to calculate.

1) from 44 to 50

2) from 38 to 56

3) from 50 to 62

4) at least 50

5) at most 56

6) at least 38

Solution