Four missiles are fired at a target. If the probabilities of hitting the target are 0.3, 0.4, 0.5 and 0.6 respectively and if th
e missiles are fired independently then what will be the probability. i)That all the missiles hit the target?. . ii)That at least one of the four hits the target?. iii)That exactly one hits the target?. iv)That exactly 2 hit the target?.
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Flipping two coins gives four possibilities: HH, HT, TH, TT
So P(TT)=1/4
So we'd expect a quarter of the trials to be two tails.
trials expected to be two tails.
So P(TT)=1/4
So we'd expect a quarter of the trials to be two tails.