Question

 1. ਜੇ P(E ਨਹੀਂ )= 0.25 ਹੋਵੇ ਤਾਂ P(E)=​

Answer 1

Answer:

0.75

Step-by-step explanation:

P(E) + P(NOT E) = 1

So p(E) = 0.75

Answer 2

SOLUTION

TO DETERMINE

If P( not E) = 0.25 then P(E) =

CONCEPT TO BE IMPLEMENTED

In any random experiment if the total number of elementary ( simple) events in the sample space be n ( a finite number) among which the number of elementary events favourable to an event E , connected with the experiment be m then the probability of the event E is denoted by P (E) and defined as

$\displaystyle \sf{}P(E) = \frac{m}{n}$

EVALUATION

We know that that

P(E) + P( not E) = 1

Now it is given that P( not E) = 0.25

Thus we get

P(E) + P( not E) = 1

⇒ P(E) + 0.25 = 1

⇒ P(E) = 1 - 0.25

⇒ P(E) = 0.75

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