Question

Two fair coins are tossed. What is the probability of getting at the most one head? ​

Answer 1

Answer:

the probability of at most head is 3/4

Step-by-step explanation:

when we tossed two coins

then favorable outcomes are

(head , tail)

(tail , head)

(head , head)

(tail , tail)

number of total outcome = 4

and outcome of at most head :-

(head , tail)

(tail , head)

(tail , tail)

then number of outcome at most head = 3

then

probability = 3/4

Answer 2

SOLUTION

GIVEN

Two fair coins are tossed.

TO DETERMINE

The probability of getting at the most one head

EVALUATION

Here it is given that two fair coins are tossed.

So outcomes are HH , HT , TH , TT

So total number of possible outcomes = 4

Let A be the event that of getting at the most one head

The event points for the event A is HT , TH , TT

So total number of possible outcomes for the event A is 3

Hence the required probability

= P(A)

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

$\displaystyle \sf{ = \frac{3}{4} }$

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