Two dice are trown simultaneously 525 times.each time the sum of two numbers appearing on their is noted and recorded as given in folowing table
27.Two dice are thrown simultaneously 525 times.Each time the sum of two numbers appearing on their tops is noted and recorded
as given in the following table
Sum 2 3 4 5 6 7 8 9 10 11 12 Total
Frequency 24 25 62 45 42 70 70 63 46 28 50 525

If the dice are thrown once more, what is the probability of getting a sum
i)of 9
ii)less than or equal to 6
iii) which is a multiple of 4
iv) which is a perfect square

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  • -24
probability is simple
  • -23
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