The propability that a number selected at random from 1 to 40 is a multiple of 7 is?

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SengemegzModerator

Asked: December 20, 20202020-12-20T13:33:09+00:00 2020-12-20T13:33:09+00:00In: Statistics and Probability

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blessing_O · Accepted Answer · 2021-01-07T19:23:13+00:00

Best Answer

blessing_O Moderator

Sample space= ${1,2,3,4,5,6...40}$
multiple of 7 within 1 and 40= ${7,14,21,28,35}$
$\therefore$ P(multiple of 7)= $\dfrac{5}{40}=\dfrac{1}{8}$

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