(h) What is the probability a randomly selected student earns an A or B on the homework (scores 80 or higher)? The probability is (Type an integer or a decimal. Do not round)
(h) What is the probability a randomly selected student earns an A or B on the homework (scores 80 or higher)? The probability is (Type an integer or a decimal. Do not round)
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
Solve for H
Transcribed Image Text:The accompanying data represent the homework scores for material on Polynomial and Rational Functions for a random sample of students in a college algebra course. Complete parts (a) through (i).
Click the icon to view the data.
OB. No, there are no outliers.
(e) Describe the shape of the distribution based on the results from parts (b) and (c). Choose the correct answer below.
Bell-shaped
Skewed left
Uniform
Skewed right
(f) Determine the sample standard deviation and interquartile range
The standard deviation is 13.82 and the interquartile range is 18.75
(Round to two decimal places as needed.)
(g) What is the probability a randomly selected student fails the homework (scores less than 70)?
The probability is 25
(Type an integer or a decimal. Do not round)
(h) What is the probability a randomly selected student earns an A or B on the homework (scores 80 or higher)?
The probability is
(Type an integer or a decimal. Do not round)
Transcribed Image Text:College Algebra Homework Scores
36
47
53
59
60
65
65
68
68
69
72
76
77
77
78
78
78
79
79
79
79
79
80
83
84
85
85
86
86
87
89
89
91
92
92
92
94
96
97
99
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