Your scores for the 20 surprise math quizzes last semester were (out of 10) as follows. 4.2 9.5 10.0 3.4 8.0 9.5 7.3 6.5 7.0 8.0 8.0 8.5 7.5 7.0 8.0 9.0 10.0 8.5 7.5 8.0  Use these raw data to construct a frequency table with the following brackets: 2.1–4.0, 4.1–6.0, 6.1–8.0, 8.1–10.0. Scores 2.1–4.0 4.1–6.0 6.1–8.0 8.1–10.0 Frequency

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...
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Test Scores   Your scores for the 20 surprise math quizzes last semester were (out of 10) as follows.
4.2 9.5 10.0 3.4 8.0 9.5 7.3 6.5 7.0 8.0
8.0 8.5 7.5 7.0 8.0 9.0 10.0 8.5 7.5 8.0 
Use these raw data to construct a frequency table with the following brackets: 2.1–4.0, 4.1–6.0, 6.1–8.0, 8.1–10.0.
Scores 2.1–4.0 4.1–6.0 6.1–8.0 8.1–10.0
Frequency        
Find the probability distribution using the (rounded) midpoint values as the values of X.
x 3.0 5.0 7.0 9.0
P(X = x)        
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