The graph below shows three different normal distributions,
50
60
70
80
90
100
Which statement must be true?
Each distribution has a different mean and the same standard deviation
Each distribution has a different mean and a different standard deviation.
Each distribution has the same mean and the same standard deviation
Mark this and return
Save and Exit
mext
Submit

The answer would be D

Step-by-step explanation:

This is because all of the models on the graph show in the same place having the same middle but at different heights but not the same standard deviation.

3 1/3 x 2 3/5 = 8 2/3

step-by-step explanation:

just multiply the first number by the second number to get your answer.

1/3 + 1/5 = 8/15.

step-by-step explanation:

hope it