Question

15. There are 150 Steel utensils, 20 aluminium utensil
and &c glass utensils in a Kitchen A utensilis
Choosen at sandom find probability that choosen
is
co of nickel
cii) not of Steel
City is metal
ciw is not ef metal​

Answer 1

SOLUTION

CORRECT QUESTION

There are 150 Steel utensils, 20 aluminium utensil and & 80 glass utensils in a Kitchen. An utensils choosen at random . Find probability that choosen utensil is not of Steel

EVALUATION

It is given that there are 150 Steel utensils, 20 aluminium utensil and & 80 glass utensils in a Kitchen

So total number of utensils in the kitchen

$= 150 + 20 + 80$

$= 250$

So the total number of possible outcomes = 250

Let A be the event that choosen utensil is not of Steel

Now the total number of utensils not of Steel

$= 20 + 80$

$= 100$

So the total number of possible outcomes for the event A is 100

Hence the required probability that the choosen utensil is not of Steel

$= \sf{P(A)}$

$\displaystyle \sf{ = \frac{100}{250} }$

$\displaystyle \sf{ = \frac{2}{5} }$

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