Question

. Two coins are tossed simultaneously, what is the probability of getting:

1 (i) 1 head at most

2 (ii) 2 tail at least

3 (iii)1 head

11. From a pack of 52 playing cards, one card is drawn at random. What is the probability of

getting:

i) face cards

ii) black queen

iii) club​

Answer 1

Answer:

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Step-by-step explanation:

Random event=Two coins are tossed simultaneously

so let the sample space be S

S={HH,HT,TH,TT}

thus n(S)=4

Let A be the event to get atmost 1 head

thus then

A={HH,HT,TH}

thus n(A)=3

So then

P(A)=n(A)/n(S)

=3/4

Let B be the event so as to get atleast 2 tails

B={TT}

so thus then

P(B)=n(B)/n(S)

=1/4

Let C be the event so as to get only 1 head

thus then

C={HT,TH}

P(C)=n(C)/n(S)

=2/4

=1/2