Question

Toss 3 coins together 50 times.record the appearance of heads and tails on each coin separately.
find the probability of -
1) getting two heads.
2) getting no head .
3) getting only one head
please reply me fast​

Answer 1

Given  : Three coins are tossed simultaneously 50 times with the following frequency of different outcomes

To Find  : probability of getting

1) getting two heads.

2) getting no head .

3) getting only one head

Solution:

Outcomes of Heads        Frequency

0                                            7

1                                             18

2                                           20

3                                            5

                  Total                  50

probability of getting 2 Heads

=    20/50  

= 2/5

= 0.4

probability of getting no Heads ( 0 heads)

= 7/50

= 0.14

probability of getting   only one head  

= 18/50

= 9/25

= 0.36

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