Kate solved an equation incorrectly, as shown below: Step 1: 9x = 72
Step 2: x = 72 − 9
Step 3: x = 63

Which statement best explains why Step 2 is incorrect in Kate's solution? (1 point)

She did not multiply 72 nine times.
She did not multiply 72 by 9.
She did not add 9 to 72.
She did not divide 72 by 9.

Given a normal distribution with µ =50 and σ =4, what is the probability that 5% of the values are less than what x values? between what two x values (symmetrically distributed around the mean) are 95 % of the values? instructions: show all your work as to how you have reached your answer. don’t simply state the results. show graphs where necessary.