Answer:
The number he thought of was 13
Step-by-step explanation:
Revers the problem
3.5 * 3 = 10.5
10.5 - 4 = 6.5
6.5 * 2 = 13
Answer:
Right Tail
P(x>3.9)= 0.108
Step-by-step explanation:
In excel, type =NORM.DIST(3.9, 3.7, 0.162, TRUE).
Her first step should be to factor the equation by splitting down the middle
Hope this helps!
