A box contains 90 discs which are numbered from 1 to 90. If one disc is drawn
at random from the box, find the probability that it bears
(i) a two-digit number
(ii) a perfect square number.
(iii) a number divisible by 5.
plz solve this question
Answers
Answered by
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Step-by-step explanation:
A BOX CONTAIN 90 DICS
1 TO 90
MEANS THAT THEY ARE 1 TO 90 NUMBERS
PROBLATI= NUMBER /100. (MY OWN FORMULAL)
90/100=9/10 IS THE PROBLATY OF ALL DICS BUT OF ONE DICS IS 9/10×50 =45tg number of the dics will be the disc of probality.............
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