14.Probability
easy

ताश के $52$ पत्तों की एक भली-भाँति फेंटी गई गड़ी में से एक पत्ता निकाला गया है। निकाले गए पत्ते की प्रायिकता ज्ञात कीजिए यदि

पत्ता इक्का नहीं है

A

$\frac{12}{13}$

B

$\frac{12}{13}$

C

$\frac{12}{13}$

D

$\frac{12}{13}$

Solution

When a card is drawn from a well shuffled deck of $52$ cards, the number of possible outcomes is $52$

We assume that the event 'Card drawn is an ace' is $B.$

Therefore Card drawn is not an ace' should be $B ^{\prime}$

We know that $P \left( B ^{\prime}\right)=1- P ( B )=1-\frac{4}{52}=1-\frac{1}{13}=\frac{12}{13}$

Standard 11
Mathematics

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