Dear students,
This video tells about that probability
Ex:9.2-4, If a probability of a player winning a particular tennis match is 0.72. To find the probability of the player loosing the match.
Ex:9.2-5, 1500 families were surveyed and following data was recorded about their maids at home
Only part time maids =860
Only full time maids =370
Both types of maids =250
A family is selected at random. To find the probability that the family selected has
(i) Both types of maids
(ii)Part time maids
(iii) No maids
This video very useful for your Exam
This channel helps you to get 100 marks in maths.
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