Answer:
The answer is D, E, F or it is also D to F
Step-by-step explanation:
Answer: -1.7
Step-by-step explanation:
Given : Another home business has an average income of $1.200.00 per month with a standard deviation of $100.00.
i.e.

Let x represents the monthly income.
Since . 
For x= 1030 , we have

Hence, the required z-score = -1.7
Answer:
the total weights in tons is 18
Step-by-step explanation:
The computation of the total weights in tons is shown below:
The weight of 8 cars would be
= 4,500 pounds × 8 cars
= 36,000 pounds
Now as we know that 1 ton = 2,000 pounds
So for 8 trucks it would be
= 36,000 pounds ÷ 2,000 pounds
= 18 tons
Hence, the total weights in tons is 18
Answer:
-2
Step-by-step explanation:
4y - 7 = - 15
4y = -15 + 7
4y = -8
y = - 8 / 4
y = - 2
Answer: you just have to memorize it it will take time but its better doing it now than in 20 years