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:
a = Negative one-fifth
Step-by-step explanation:
The given equation is :
We need to find the value of a.
Subtract 2/5 from both sides.
So, the correct answer is Negative one-fifth. Hence, the correct option is (b).
Answer:
I will answer
Step-by-step explanation:
how much is the truck in area
Answer:
Inverse of
Step-by-step explanation:
Let y = -5x-4
Swap y and x
x = -5y -4
Solve for y
x+4 = -5y
which is the inverse
Answer:
3
Step-by-step explanation:
- 4x³y² + 6
the x is raised to the power of 3 , that is exponent of x is 3