there are 496 employees in a company, one whom is to be selcted at a random to win a car. if the probability that a supervisor will be selected is 3/16, how many supervisors work at the company?

Answer :

We know Probability P ( E ) = Total number of desired events n ( E)Total number of  events n ( S)
There are 496 employees in a company
So,
Total number of events n ( S ) = 496

Let number of supervisor  =  n ( E ) =  x  , So

x496 = 316x = 316 × 496x =3× 31x =93

So,

There are 93 supervisors at the company .                                       ( Ans )

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