Question

Q.15 If E is an impossible event then
probability of E or P(E) will be

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Answer 1

Answer:

probability of E is 1

Step-by-step explanation:

probability notE is 0

Answer 2

Answer:

An impossible event

Step-by-step explanation:

when the probability of occurrence of the event (called its success) is denoted by

P(E)=r/n

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The probability of non-occurrence of the event (called its failure) is denoted by

      ↔

  P( E )= (n-r)/n = 1-r/n