1. A normally distributed variable has a u = 100 and o = 10. If a sample of n =25 is selected, what is the probability that the mean is: a. less than 47? h above 51 12

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
icon
Related questions
Question
100%
need help asap :(
1. A normally distributed variable has a µ = 100 and o
= 10.
If a sample of n =25 is selected, what is the probability that the mean is:
a. less than 47?
b. above 51.1?
Transcribed Image Text:1. A normally distributed variable has a µ = 100 and o = 10. If a sample of n =25 is selected, what is the probability that the mean is: a. less than 47? b. above 51.1?
Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

Blurred answer