Answer:
The first quartile of the IQ scores of adults is 82.26.
Step-by-step explanation:
The first quartile is the value that is greater than 25% of the observations and less than 75% of the observation.
The formula to compute the first quartile (Q₁) of a Normal distribution is:

The mean and standard deviation of the IQ scores of adults are:

Compute the first quartile value as follows:

Thus, the first quartile of the IQ scores of adults is 82.26.
Answer:
5/24
Step-by-step explanation:
-5/12+5/8
-10/24+15/24
5/24
Answer:
n = 55/8
Step-by-step explanation:

Answer:
Associative
you can change (8*5) *10 to (8*10) *5
You can change 8*( 5*10) to 10* (8*5)
The translated answer would be 124.1