there are boards numbered 3 to 53 in a box. 1 board is selected randomly. find out the probability of getting multiple of 7
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Step-by-step explanation:
Boards numbered: 3 to 53
Total cards = 53 - 3 = 50 [ card are numbered continuous after 3 ]
Favourable outcome as multiple of 7 = 7, 14, 21 ......... 49
Total Favourable outcome = 7 [ 53 ÷ 7, q = 7, so the set contains
7 cards numbered as multiple of 7 ]
Probability of getting a multiple of 7 = 7 / 50 ( Ans)
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