Answer: 0.6827
Step-by-step explanation:
Given : Mean IQ score : 
Standard deviation : 
We assume that adults have IQ scores that are normally distributed .
Let x be the random variable that represents the IQ score of adults .
z-score : 
For x= 90

For x= 120

By using the standard normal distribution table , we have
The p-value : 

Hence, the probability that a randomly selected adult has an IQ between 90 and 120 =0.6827
Answer:
OPTION A
Step-by-step explanation:
AS IF SHE DOUBLES 1 DIMENSION THE VOLUME BECOMES TWICE.
V=L*B*H
IF L IS DOUBLED ..
THEREFORE,NEW VOLUME=
V2=2L*B*H
V2=2 L*B*H
Answer: 3.1 or 3.10
Step-by-step explanation:
3 and 10 hundredths = 3 + 10/100 = 3 + 0.10
3.10 / 3.1