Answer:
N(24, 3.46)
Step-by-step explanation:
We are given the following in the question:
Percentage of family homes having front poach = 50%
Sample size, n = 48
Normal approximation to the given distribution:
Thus, the distribution of single family homes is best approximated by the normal distribution N(24, 3.46) where mean is 24 and standard deviation is 3.46
Answer: She needed 144 square feet of carpet.
Step-by-step explanation:
Given : Maria is buying new carpet. Her bedroom is in the shape of a square.
The length of each side is 12 feet.
We know that the area of square =
So , the area of the bedroom = [which is an exponential expression]
Simplify it
The area of the bedroom =
Also, the carpet she needed = Area of the bedroom.
Thus , She needed 144 square feet of carpet.
Answer:
The cost per kilometer was $2.25
Step-by-step explanation:
<u><em>The correct question is</em></u>
Emanuel was charged $32 for a 14 2/9 km
What was the cost per kilometer?
To find out the cost per kilometer (unit rate) divide the total cost by the total kilometers
<em>Convert mixed number to an improper fraction</em>
<em>Find the unit rate</em>
therefore
The cost per kilometer was $2.25