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
I think the correct answer is 17
Answer:
63
Step-by-step explanation:
20 times 5 is 100. We can multiply 2*5 and get 10, then add another zero to make it easier.
Answer:
-7/8
Step-by-step explanation:
Quadratic formula is ax^2 + bx + c
In this case, x = -b/2a, which is -7/(2(4)) = -7/8
