Solution Found!
Find the z value to the right of the mean so that a.
Chapter 6, Problem 46(choose chapter or problem)
Find the z value to the right of the mean so that a. 54.78% of the area under the distribution curve lies to the left of it. 0.12 b. 69.85% of the area under the distribution curve lies to the left of it. 0.52 c. 88.10% of the area under the distribution curve lies to the left of it. 1.18
Questions & Answers
QUESTION:
Find the z value to the right of the mean so that a. 54.78% of the area under the distribution curve lies to the left of it. 0.12 b. 69.85% of the area under the distribution curve lies to the left of it. 0.52 c. 88.10% of the area under the distribution curve lies to the left of it. 1.18
ANSWER:Step 1 of 4
(a)
To find the z value such that 54.78% of the area under the distribution curve lie to the left of it:
Z is a standard normal variable with mean of 0 and variance 1.
Thus,
This is because the area of the distribution curve of z variate towards the left of 0 is always 0.5.