Question

Three coins are tossed simultaneously. Find the probability of getting all tails.​

Answer 1

Answer:

We can represent head by H and tail by T. Now consider an experiment of tossing three coins simultaneously. The possible outcomes will be HHH, TTT, HTT, THT, TTH, THH, HTH, HHT. So the total number of outcomes is 23 = 8.

Answer 2

Answer:

1\8

Step-by-step explanation:

formula

probability of an event = number of desired outcome \total number of out comes

to find the probability first we need to find the number of desired out comes

in this case it is 1

the second requirement is total number of outcomes

total number of outcomes = no of out comes given by one unit (raised to the power) ^ total number of units

in this case

number of outcomes given by 1 coins is 2 i. e. heads and tails

total number of units =3 as we have 3 coins

total number of outcomes =

${2}^{3} = 2 \times 2 \times 2 = 8$

probability = 1\8

extra information

if we denote heads as H and tails as T

then in this case outcomes are

HHH

HHT

HTT

TTT

THH

TTH

THT

HTH

in this case desired outcomws are TTT

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