Question

24)
A coin is tossed 275 times and head is obtained for 171 times. Now if a coin is tossed
at random, the probability of getting a tail is​

Answer 1

Answer:

104/275

hope it will help you

Answer 2

The probability of getting a tail is 104/275

Given :

• A coin is tossed 275 times and head is obtained for 171 times

• A coin is tossed at random

To find :

The probability of getting a tail

Solution :

Step 1 of 3 :

Find total number of possible outcomes

A coin is tossed 275 times

So total number of possible outcomes = 275

Step 2 of 3 :

Find total number of possible outcomes for the event

Let A be the event that of getting a tail

Since head is obtained for 171 times

So tail is obtained for 275 - 171 = 104 times

Thus total number of possible outcomes for the event A is 104

Step 3 of 3 :

Find the probability

Hence the required probability

= P(A)

$\displaystyle \sf{ = \frac{Number \: of \: favourable \: cases \: to \: the \: event \: A }{Total \: number \: of \: possible \: outcomes }}$

$\displaystyle \sf{ = \frac{104}{275} }$

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