A private school official claims that more than 70% of the students who come to their school to prepare for the university entrance exam, get the degree they want at the university. In order to investigate this claim, 120 students who were randomly selected among the students who went to the said school and won the university were asked whether they won the department they wanted or not, and it was learned that 90 students won the department they wanted in the university. Make a hypothesis about the official's claim.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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A private school official claims that more than 70% of the students who come to their school to prepare for the university entrance exam, get the degree they want at the university. In order to investigate this claim, 120 students who were randomly selected among the students who went to the said school and won the university were asked whether they won the department they wanted or not, and it was learned that 90 students won the department they wanted in the university. Make a hypothesis about the official's claim.

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