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 • (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? (Do not include the dollar sign) b. 0z (Click to view hint) c. Which picture (below) shows the requested area? Curve Image Curve 1 4a lo 20 30 40

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
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 =
(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. H =
(Do not include the dollar sign)
b.0
(Click to view hint)
c. Which picture (below) shows the requested area?
Curve
Image
Curve 1
40
20
30
4o
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 = (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. H = (Do not include the dollar sign) b.0 (Click to view hint) c. Which picture (below) shows the requested area? Curve Image Curve 1 40 20 30 4o
VSC
Curve 4
-40
-30
-20
-1o
10
20
Curve 5
40
-30
-20
-10
la
30
40
d. P(x
: 54, 215) = P(z
e. There is a(n)
% chance that the mean size of a random sample is no more than $54, 215
Check
Transcribed Image Text:VSC Curve 4 -40 -30 -20 -1o 10 20 Curve 5 40 -30 -20 -10 la 30 40 d. P(x : 54, 215) = P(z e. There is a(n) % chance that the mean size of a random sample is no more than $54, 215 Check
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Knowledge Booster
Point Estimation, Limit Theorems, Approximations, and Bounds
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, probability and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
A First Course in Probability
A First Course in Probability
Probability
ISBN:
9780321794772
Author:
Sheldon Ross
Publisher:
PEARSON