1) y = 8 x = 7.5
2) y = 3 x = 12
Answer: 0.965
Step-by-step explanation:
Given : Water use in the summer is normally distributed with


Let X be the random variable that represents the quantity of water required on a particular day.
Z-score : 

Now, the probability that a day requires more water than is stored in city reservoirs is given by:-

We can see that on comparing the above value to the given P(X > 350)= 1 - P(Z < b) , we get the value of b is 0.965.
Answer:
-7
Step-by-step explanation:

it is possible because x is just a letter representing the unknown nos
Answer:
2.084...
Step-by-step explanation:
Just write an non repeating string of any numbers that you think of but not in a pattern which will lie between decimal value of your 2 numbers