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Standard IX

Mathematics

Range and Sum of Probabilities

The probabili...

Question

The probability of an event occurring is 0.65. What is the probability of the event not occurring?

0.35

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0.375

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0.65

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Solution

The correct option is A
0.35

We know that the sum of probabilities of all possible outcomes of an event is always 1.

P (happening) + P (not happening) = 1

Probability of event happening = 0.65
The probability of the event not happening = 1 – 0.65 = 0.35.

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The probability of an event occurring is 0.65. What is the probability of the event not occurring?

The correct option is A 0.35 We know that the sum of probabilities of all possible outcomes of an event is always 1. P (happening) + P (not happening) = 1 Probability of event happening = 0.65 The probability of the event not happening = 1 – 0.65 = 0.35.

The correct option is A
0.35

We know that the sum of probabilities of all possible outcomes of an event is always 1.

P (happening) + P (not happening) = 1

Probability of event happening = 0.65
The probability of the event not happening = 1 – 0.65 = 0.35.