Question

if three coins are tossed simultaneously what will be the probability of getting 2 heads

Answer 1

Total outcomes = 8
Favorable outcomes = 3

The probability of getting 2 heads = Favorable outcomes / Total outcomes
                                                      = 3 / 8
                                                      

Answer 2

Thus so

_______________________________________________________________

. THE SAMPLE SPACE WHEN THREE COINS ARE TOSSED

( H H H )

( H T T )

( H T H )

( H H T )

( T T T )

( T H H )

( T H T )

( T T H )

. THEN

. TOTAL NUMBER OF OUTCOMES = 8

. FAVOURABLE OUTCOMES
. = 3

. THEN

. PROBABILITY = 3 / 8


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