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Question 8

If two different dice are rolled together, theย  probability of getting an even number on bothย  dice, is:

(a) 1/36ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  (b) 1/2

(c) 1/6ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  (d) 1/4

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Transcript

Question 8 If two different dice are rolled together, the probability of getting an even number on both dice, is: (a) 1/36 (b) 1/2 (c) 1/6 (d) 1/4 When two dice are thrown Total outcomes = 36 Number of outcomes with even number on both dice = 3 + 3 + 3 = 9 Thus, P(getting even number both dice) = (๐‘๐‘ข๐‘š๐‘๐‘’๐‘Ÿ ๐‘œ๐‘“ ๐‘œ๐‘ข๐‘ก๐‘๐‘œ๐‘š๐‘’๐‘  ๐‘ค๐‘–๐‘กโ„Ž ๐‘’๐‘ฃ๐‘’๐‘› ๐‘›๐‘ข๐‘š๐‘๐‘’๐‘Ÿ ๐‘œ๐‘› ๐‘๐‘œ๐‘กโ„Ž ๐‘‘๐‘–๐‘๐‘’)/(๐‘‡๐‘œ๐‘ก๐‘Ž๐‘™ ๐‘œ๐‘ข๐‘ก๐‘๐‘œ๐‘š๐‘’๐‘ ) = 9/36 = ๐Ÿ/๐Ÿ’ So, the correct answer is (d)

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Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.