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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 • (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

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

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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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 = (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
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