Answer:
$31.36
Step-by-step explanation:
If she has $38.36 and you subtract 7 you would get the answer $31.36. I hope I helpped (◡ ω ◡)
U=5
x=1
z=-1.7
m=2
Trololololololo
To do this problem, you gotta cross-multiply. SO,

multiplied by

12 times 14 = 168
21 times 3 = 63
Then the final answer is
Answer:
Step-by-step explanation:
Show the question i cant really see
Answer: 0.0336
Step-by-step explanation:
Given : The distribution of cholesterol levels in teenage boys is approximately normal with mean :
Standard deviation : 
The formula for z-score is given by :-

For x=225

The p-value =

The probability that a teenage boy has a cholesterol level greater than 225 =0.0336