If S is the event that it will rain tomorrow and P(S) = 0.3. Find P(S').

0.3

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0.5

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0.7

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Solution

The correct option is C
0.7

P(S) and P(S') are complementary events.

Given, P(S) is the probability that it will rain tomorrow. So, P(S') will be the probability that it will not rain tomorrow.

P(S) + P(S') = 1

$\Rightarrow$ 0.3 + P(S') = 1

$\Rightarrow$ P(S') = 0.7

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Similar questions

If A and B are two events associated with a random experiment such that $P (A) = 0.5, P (B) = 0.3$ and $P (A \cap B) = 0.3$ , find $P (A \cup B)$ .

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B

(B / A \cap B)

(A)

(B)

If S is the event that it will rain tomorrow and P(S) = 0.3. Find P(S').

S

P (S) = 0.03

P (S^{'})

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