Answer:
Step-by-step explanation:
Given that the random variable X is normally distributed, with
mean = 50 and standard deviation = 7.
Then we have z= 
Using this and normal table we find that
a) 
b) When z=0.02
we get

c) 90th percentile z value =1.645
90th percentile of X 
Answer:
Step-by-step explanation:
Incomplete presentation of question. Did you want to factor out the greatest common factor (which is 2), obtaining 2(4y - 3)? Or something else? Also: please note that if you use the left parenthesis ) , you MUST also use the right parenthesis ( .
Step-by-step explanation:
the y intercept is where 0= x
(0,y)
m is 5
Answer:
b & c for sure
Step-by-step explanation:
............
Answer:
0.5 = 3
1.5 = 9
4.5 = 27
Step-by-step explanation: