Medium Math Class 9 Level 2

If the probability of an event is 2/5 then what is the probability of its not happening?

यदि किसी घटना की प्रायिकता 2/5 है तो उसके न होने की प्रायिकता क्या होगी?

A) 1/5 / 1/5 B) 2/5 / 2/5 C) 3/5 / 3/5 D) 4/5 / 4/5
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Correct Answer

C. 3/5 / 3/5

Explanation

The probability of the complementary event is 1 - 2/5 = 3/5.

पूरक घटना की प्रायिकता 1 - 2/5 = 3/5 होती है।

Related Questions

Easy Math Class 10 Level 1

What is the area of a circle with radius 7 cm when π = 22/7?

7 सेमी त्रिज्या वाले वृत्त का क्षेत्रफल कितना होगा जब π = 22/7 हो?

A. 44 सेमी² / 44 cm² B. 77 सेमी² / 77 cm² C. 154 सेमी² / 154 cm² D. 308 सेमी² / 308 cm²
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