Jane has three red shirts and two yellow shirts. On each of the three days, Monday, Tuesday, and Wednesday, she selects one shirt at random to wear. Jane wears each shirt that she selects only once.
(a) What is the probability that Jane wears a shirt of the same colour on all three days?
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Do i use the probability tree diagram? if yes, how do i draw it?
i havent done in a very long time..
Jane has three shirts and two yellow shirts. ???? three red ?
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woops typo "three red shirts and two yellow shirts" sorry!
@lgbasallote: very easy one for you :P
sorry cant understand problem. i am bad english
lol, illiterate :P i need help tho -_- i dont know how to draw the tree diagram
that is not write tho sami
i think both probabilities should be multiplied . try that :P
the answer is 3/4 * 2/4 * 1/3
but the problem is that i dont know how to draw the probability tree diagram to see it
the two yellow shirts are not enough for three days.. so we are finding the probability that she wear a red shirt each day
on monday the probability that she wear a red shirt is 3/5 (since we have 3 red shirts out of a total of 5 shirts)
on tuesday we have only 4 shirts left.. 2 of them are red
so the probability that she wears a red shirt on tuesday is 2/4
on wednesday 3 shirts are left.. only one of the is red
so the probability thet she wears a red shirt on wednesday is 1/3
now multiply them
the answer is (3/5)*(2/4)*(1/3)
i got it thanks!
but it is possible to draw a probability tree diagram for it?
well.. may be :P im not that good in drawing tree diagrams !