The depth of the snow at yellowstone national park in april at the lower geyser basin was normally distributed with a mean of 3.9 inches and standard deviation of 0.52 inches. what value is two standard deviations above the mean?

Step-by-step explanation:

For a standard normal distribution of mean and

the statistic

In this problem we look for the value of X that is 2 standard deviations above the mean.

If there are two standard deviations above the mean, then, in the standard normal distribution, the statistic .

Then, we clear X.

Where:

x=4

step-by-step explanation:

50

step-by-step explanation: