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Example 4 One card is drawn from a well-shuffled deck of 52 cards. Calculate the probability that the card will be an ace, Total number of cards = 52 Total number of aces = 4 P (getting an ace) = (𝑁𝑢𝑚𝑏𝑒𝑟 𝑜𝑓 𝑎𝑐𝑒𝑠)/(𝑇𝑜𝑡𝑎𝑙 𝑛𝑢𝑚𝑏𝑒𝑟 𝑜𝑓 𝑐𝑎𝑟𝑑𝑠) = 4/52 = 𝟏/𝟏𝟑 Example 4 One card is drawn from a well-shuffled deck of 52 cards. Calculate the probability that the card will (ii) not be an ace. P(we do not get an ace) = 1 – P(get an ace) = 1 – 𝟏/𝟏𝟑 = (13 −1)/13 = 𝟏𝟐/𝟏𝟑

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo