Answer: 0.7619
Step-by-step explanation:
Given : Mean :
Standard deviation :
Sample size :
We assume that the variable is normally distributed.
The value of z-score is given by :-
a) For x= 46.9 years
The p-value :
Hence, the probability that the average age of those doctors is less than 46.9 years =0.7619
2x+7=16
Katherine divided wrong. She shouldn't have divided by 2 because 7 isn't a multiple of 2; x+7≠16:2.
She should have proceed like that:
2x+7=16|-7
2x=16-7
2x=9
x=9:2
x=4,5
Answer:
4)
Step-by-step explanation:hope this helps
If you need 7, 714 solar panels, and 1 box contains 24 panels then you'll need:
7, 714/24 = 321.4167
This answer estimated can be 321. So yuh might need 321 panels.
ANSWER = 321 PANELS
Answer:
with
Step-by-step explanation:
what