Given a normal distribution with mu equals 100 and sigma equals 10 comma complete parts (a) through
Question:
Given a normal distribution with mu equals 100 and sigma equals 10 comma complete parts (a) through (d). LOADING... Click here to view page 1 of the cumulative standardized normal distribution table. LOADING... Click here to view page 2 of the cumulative standardized normal distribution table.
a. What is the probability that Upper X greater than 70? The probability that Upper X greater than 70 is .0016 nothing. (Round to four decimal places as needed.)
b. What is the probability that Upper X less than 80? The probability that Upper X less than 80 is nothing. (Round to four decimal places as needed.)
c. What is the probability that Upper X less than 95 or Upper X greater than 125? The probability that Upper X less than 95 or Upper X greater than 125 is nothing.(Round to four decimal places as needed.)
d. 99% of the values are between what two X-values (symmetrically distributed around the mean)? 99% of the values are greater than nothing and less than nothing.
Basic Business Statistics Concepts and Applications
ISBN: 978-0132168380
12th edition
Authors: Mark L. Berenson, David M. Levine, Timothy C. Krehbiel