Question

For a normal distribution, what percentage of values lies within two standard deviations of the mean?


99.7%



97%



68%



95%

Answer 1

The answer will be 95.45%.

You can search for normal distribution relating standard deviation and mean, there will be a table indicating the probability with a certain number of standard deviation apart from the mean.

Answer 2

Answer:

the answer is D because  95 percent of the distribution lies within two standard deviations

Step-by-step explanation: