This is a difference of squares problem. You just have to make sure every term is a perfect square and that there is subtraction in the problem.
Which statement is true regarding Table G and Table H?
1 answer:
You might be interested in
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
