An integer is choosen at random between 1 ad 100 find the probability it is divisile by 9 and perfect squre no
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Step-by-step explanation:
total no. of observations= 100
no. which are divisible by 9 are multiples of 9
multiples of 9 b/w 1 and 100 are: 9,18,27,36,45,54,63,72,81,90 and 99
so there are 11 multiples of 9
p(getting a no. divisible by 9) =11/100
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