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In a class of 42 students in Model High ...

In a class of 42 students in Model High School, 3 students use spectacles. Fill in the boxes to find the probability of a student selected at random is wearing spectacles.
`rArr` The total number of studentd in the class is 42.
`thereforen(S)=square`
Let A be the event that a student uses spectacles.
`thereforen(A)=square`
`P(A)=square" "thereforeP(A)=square`

Text Solution

Verified by Experts

The correct Answer is:
`(2),(3),(n(A))/(n(S)),(3)/(42),(1)/(14)`
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