Question

answer for question no 20 ... best answers only ​

Answer 1

probability is 1/2

Answer:

according to your question,

if a dice is rolled thrice there are only 8outcomes which are termed below....

1. HHH

2. TTT

3. HTH

4. THT

5. HHT

6. THH

7. HTT

8. TTH

H=heads, T=tails ....

now getting atleast 2heads on top are only 4 out of 8 .....

so probability is 1/2

Answer 2

Step-by-step explanation:

if three coins are tossed thrice

total possibilities are 8

possibilities of getting at least two heads on its top is 4

so probability of getting at least two heads on its top is 1/2

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