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1) The table below shows the scores of 50 students in a math test. Scores Frequency (f) 0

1) The table below shows the scores of 50 students in a math test. Scores Frequency (f) 0

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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I want the answer to question (d) please

1) The table below shows the scores of 50 students in a math test. Scores Frequency (f) 0<t< 10 2х 10 <t< 20 17 20 <t < 30 13 30 <t< 40 3x a) Find the value of x. b) Calculate an estimate of the mean score. c) Find the modal class. d) Ahmad said “The probability of choosing randomly a student with a score more than 30 is 50%". Is Ahmad correct? Explain your answer.
Transcribed Image Text:1) The table below shows the scores of 50 students in a math test. Scores Frequency (f) 0<t< 10 2х 10 <t< 20 17 20 <t < 30 13 30 <t< 40 3x a) Find the value of x. b) Calculate an estimate of the mean score. c) Find the modal class. d) Ahmad said “The probability of choosing randomly a student with a score more than 30 is 50%". Is Ahmad correct? Explain your answer.
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