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alexdok [17]
3 years ago
15

Discuss the validity of the following statement. If the statement is always​ true, explain why. If​ not, give a counterexample.

If the odds for E equal the odds against​ E', then ​P(E)P(F)=P(E∩F)
Mathematics
1 answer:
Zarrin [17]3 years ago
8 0

Correction:

Because F is not present in the statement, instead of working on​P(E)P(F) = P(E∩F), I worked on

P(E∩E') = P(E)P(E').

Answer:

The case is not always true.

Step-by-step explanation:

Given that the odds for E equals the odds against E', then it is correct to say that the E and E' do not intersect.

And for any two mutually exclusive events, E and E',

P(E∩E') = 0

Suppose P(E) is not equal to zero, and P(E') is not equal to zero, then

P(E)P(E') cannot be equal to zero.

So

P(E)P(E') ≠ 0

This makes P(E∩E') different from P(E)P(E')

Therefore,

P(E∩E') ≠ P(E)P(E') in this case.

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