1. The following graph of a normal distribution has a mean of 75 and a standard deviation of 5.

which of the following apply to how the shape and location of the curve would change if the mean becomes 80 and the standard deviation changes to 3.

shifted left

shifted right

narrower

broader

same location

same shape

2. The following graph of a normal distribution has a mean of 20 and a standard deviation of 5.

What percent of the data lies between 15 and 25?

3. The following graph of a normal distribution has a mean of 8 and a standard deviation of 1.5.

What percent of the data is greater than 6.5?