Question

two coins are coins tossed simultaneously.the probability of getting exactly two head is​

Answer 1

Probability of Tossing Two Coins. ... When we toss two coins simultaneously then the possible of outcomes are: (two heads) or (one head and one tail) or (two tails) i.e., in short (H, H) or (H, T) or (T, T) respectively; where H is denoted for head and T is denoted for tail.

Answer 2

Answer:

When two different coins are tossed randomly, the sample space is given by

S = {HH, HT, TH, TT}

Therefore, n(S) = 4.

(i) getting two heads:

Let E1 = event of getting 2 heads. Then,

E1 = {HH} and, therefore, n(E1) = 1.  

Therefore, P(getting 2 heads) = P(E1) = n(E1)/n(S) = 1/4.

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