Answer:Hey I'm sorry I didn't get to answer your question it's just that I need the points because I don't have enough to get help with my question. I hope you get the answer that you need for you question. Good Luck :)
Step-by-step explanation:
Answer:
negative
calculating the z score by subtracting the mean and dividing by the standard deviation
(55-70)/10= -1.5
It's negative
and
Given
Required
Find x and y
In the second equation. Assume that:
Substitute in the first equation
Collect like terms
Multiply through by 5
Solve for x
Substitute this value of x in
839
200
The price is 100%-20%=80% of the original.
So, 250*0.8 = 200