2. What is the probability that the mean salary of random sample of 100 workers is no more than $54, 215? a. H = (Do not include the dollar sign) b. o, = (Click to view hint)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Example 2 Part 1
The annual salary for a certain job has a normal distribution with a mean of $54, 000 and a standard deviation
of o = $5000.
1. Which sample size would allow us to use the normal approximation? n =
50 and 100
+ (Click to view
hint)
2. What is the probability that the mean salary of random sample of 100 workers is no more than $54, 215?
a. Hx =
(Do not include the dollar sign)
b. o, =
(Click to view hint)
%3D
c. Which picture (below) shows the requested area?
Curve 2
Curve
Image
MacBook Air
Transcribed Image Text:Example 2 Part 1 The annual salary for a certain job has a normal distribution with a mean of $54, 000 and a standard deviation of o = $5000. 1. Which sample size would allow us to use the normal approximation? n = 50 and 100 + (Click to view hint) 2. What is the probability that the mean salary of random sample of 100 workers is no more than $54, 215? a. Hx = (Do not include the dollar sign) b. o, = (Click to view hint) %3D c. Which picture (below) shows the requested area? Curve 2 Curve Image MacBook Air
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