Divide 45 and 9 it was give you -5
Answer:
D. 8
Step-by-step explanation:
We have been given that the number of days that homes stay on the market before they sell in Houston is bell-shaped with a mean equal to 56 days. Further, 95 percent of all homes are on the market between 40 and 72 days.
As per empirical rule 95% of the data on bell curve lies between 2 standard deviations of mean.
So we can set an equation as:
or





Therefore, the standard deviation for our given data is 8 and option D is the correct choice.
Y= -2+4
If X equals -2, you want to plug -2 in for X.
I hope I helped!
:)
Answer:
Exact Form-9+√69÷6
Decimal form-2.88443731
Step-by-step explanation: