in a survey of 220 ladies it was found that 76 like coffee while 144 dislike it from these ladies one is chosen at random what is the probability that the chosen lady this like coffee ?
question no 7
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76÷220=.35 is the answer
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Answer:
Here,
Favourable Outcomes = Lady who dislikes Coffee
Number of Favourable Outcomes = Number of Ladies who dislike Coffee =118
Total Number of Outcomes =200 = Total Number of Ladies in Survey
⇒P(E)= 118/200 = 59/100
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