2. Find the Z- score for each scenario. Round off to the nearest hundredths. a ) μ = 75, σ = 15 Student A: x = 81 %3D b) Test Scores: Show all work. 50, 70, 60, 75, 45 Student B: X = 65 Hint: Find mean and standard deviation for student B. c) Which student did better? Why?
2. Find the Z- score for each scenario. Round off to the nearest hundredths. a ) μ = 75, σ = 15 Student A: x = 81 %3D b) Test Scores: Show all work. 50, 70, 60, 75, 45 Student B: X = 65 Hint: Find mean and standard deviation for student B. c) Which student did better? Why?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
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![2. Find the Z- score for each scenario. Round off to the nearest hundredths.
a ) μ = 75, σ = 15
Student A:
x = 81
%3D
b) Test Scores:
Show all work.
50, 70, 60, 75, 45
Student B:
X = 65
Hint: Find mean and standard deviation for student B.
c) Which student did better? Why?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd7218640-a774-45e5-abf7-0db0957362b6%2F0baa36de-d6ec-4859-8bcc-ec9ca5fb35fc%2Fhmemmbq.jpeg&w=3840&q=75)
Transcribed Image Text:2. Find the Z- score for each scenario. Round off to the nearest hundredths.
a ) μ = 75, σ = 15
Student A:
x = 81
%3D
b) Test Scores:
Show all work.
50, 70, 60, 75, 45
Student B:
X = 65
Hint: Find mean and standard deviation for student B.
c) Which student did better? Why?
![1. The manager of Jerry's Barbershop recently asked his 50 customers to punch in a timecard when first arrive
at the shop and to punch out right after they paid for their haircut. He then used the data on the cards to
measure how long it took Jerry and his barbers to cut hair and used that information to schedule their
appointment intervals. The following times (in minutes) were tabulated.
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84](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd7218640-a774-45e5-abf7-0db0957362b6%2F0baa36de-d6ec-4859-8bcc-ec9ca5fb35fc%2F1sicjqe_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. The manager of Jerry's Barbershop recently asked his 50 customers to punch in a timecard when first arrive
at the shop and to punch out right after they paid for their haircut. He then used the data on the cards to
measure how long it took Jerry and his barbers to cut hair and used that information to schedule their
appointment intervals. The following times (in minutes) were tabulated.
15
19
20
22
23
24
25
28
28
28
28
29
30
30
30
31
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52
54
55
84
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