A girl calculates that the probability of her winning the first prize in a lottery is 0.08. If 6000 tickets are sold, how many tickets has she bought?
(A)40 (B) 240
(C) 480 (D) 750
Last updated at Aug. 20, 2021 by Teachoo
Transcript
Question 15 A girl calculates that the probability of her winning the first prize in a lottery is 0.08. If 6000 tickets are sold, how many tickets has she bought? 40 (B) 240 (C) 480 (D) 750 Now, Probability of winning = (๐๐ข๐๐๐๐ ๐๐ ๐ก๐๐๐๐๐ก๐ ๐๐๐ข๐โ๐ก)/(๐๐๐ก๐๐ ๐๐ข๐๐๐๐ ๐๐ ๐ก๐๐๐๐๐ก๐ ) 0.08 = (๐ต๐๐๐๐๐ ๐๐ ๐๐๐๐๐๐๐ ๐๐๐๐๐๐)/๐๐๐๐ 0.08 ร 6000 = Number of tickets bought Number of tickets bought = 0.08 ร 6000 Number of tickets bought = ๐/๐๐๐ ร 6000 Number of tickets bought = 8 ร 60 Number of tickets bought = 480 So, the correct answer is (C)
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