12 + 4(5) = 12 + 4(5)
12 + 20 = 12 + 20
32 = 32
Answer: r= -1
Step-by-step explanation:
Answer: 16
Step-by-step explanation:
Given : Mean : 
Standard deviation : 
The value of z-score is given by :-

For x= 115

The p-value : 
Now, the number of people smarter than Many is given by :_

Hence, there are 16 members smarter than Mandy.
Answer:
y=7
Step-by-step explanation:
Answer:
g = 14
Step-by-step explanation:
g + 3 = 17
minus 3 from both sides
g = 14