Medium Math Class 9 Level 4

If the probability of an event is 7/10 then what is the probability of its not happening?

यदि किसी घटना की प्रायिकता 7/10 है तो उसके न होने की प्रायिकता क्या होगी?

A) 1/10 / 1/10 B) 2/10 / 2/10 C) 3/10 / 3/10 D) 7/10 / 7/10
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Correct Answer

C. 3/10 / 3/10

Explanation

The probability of the complementary event is 1 - 7/10 = 3/10.

पूरक घटना की प्रायिकता 1 - 7/10 = 3/10 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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