:ARE X AND Y PROPORTIONAL? HOW DO YOU KNOW? EXPLAIN.
A.
B.
35
х
3
6 | 9
12
30
25
у
1
2
3
4
1
20
15
10
5
0
0 1 2 3 4 5 6 7 x

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.