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1500 families were surveyed and following data was recorded about their maids ahomesType of maidsVumberof familiesOnly part timeOnly full time860370250A family is selected at random. Find the probability that the family selected has()Both ypes of maids(i)Part time maids (aipNo maids(ii) Part time maids(iii)No maids |
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Answer» total number of family=15001)250/1500=25/150=1/62)860/1500=86/150=43/753)(1500-250-370-860)/1500 =20/1500=1/75 |
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