Question

if three coins are toasted simultaneously find the probability of the following events first tale appears at least twice second head appears at the most twice third head appears twice​

Answer 1

Answer:

Possible outcomes of tossing three coins are:

Possible outcomes of tossing three coins are: (HHH), (HHT), (HTH), (THH), (TTT), (TTH), (THT),(HTT)

Here H and T are denoted for Head and Tail.

ere H and T are denoted for Head and Tail.Total outcomes = 8

(i) no. of outcomes with at least two tails = 4

= 4∴ Required probability = 4/8

equired probability = 4/8 = 1/2

(ii) no. of outcomes with at least two heads = 4

= 4∴ Required probability = 4/8

= 4∴ Required probability = 4/8 = 1/2

(iii) no. of outcomes with two heads = 3

∴ Required probability = 3/8

Answer 2

Please refer the attachment for Answer!!

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