{"id":7028,"date":"2021-10-22T15:40:59","date_gmt":"2021-10-22T10:10:59","guid":{"rendered":"https:\/\/mathemerize.com\/?p=7028"},"modified":"2021-10-25T01:43:37","modified_gmt":"2021-10-24T20:13:37","slug":"a-fair-die-is-tossed-eight-times-the-probability-that-a-third-six-is-observed-on-the-eight-throw-is","status":"publish","type":"post","link":"https:\/\/mathemerize.com\/a-fair-die-is-tossed-eight-times-the-probability-that-a-third-six-is-observed-on-the-eight-throw-is\/","title":{"rendered":"A fair die is tossed eight times. The probability that a third six is observed on the eight throw, is"},"content":{"rendered":"
Probability of getting success, p = \\(1\\over 6\\)<\/p>\n
and probability of failure, q = \\(5\\over 6\\)<\/p>\n
Now, we must get 2 sixes in seven throws, so probability is \\(^7C_2\\)\\(({1\\over 6})^2\\)\\(({5\\over 6})^5\\)<\/p>\n
and the probability that 8th throw is \\(1\\over 6\\).<\/p>\n
\\(\\therefore\\)\u00a0 \u00a0Required Probability = \\(^7C_2\\)\\(({1\\over 6})^2\\)\\(({5\\over 6})^5\\)\\(1\\over 6\\)<\/p>\n
= \\(^7C_2\\times 5^5\\over {6^8}\\)<\/p>\n
The probability of India winning a test match against the west indies is 1\/2 assuming independence from match to match. The probability that in a match series India\u2019s second win occurs at the third test is<\/a><\/p>\n Consider rolling two dice once. Calculate the probability of rolling a sum of 5 or an even sum.<\/a><\/p>\n If A and B are two mutually exclusive events, then<\/a><\/p>\n A and B play a game, where each is asked to select a number from 1 to 25. If the two numbers match, both of them win a prize. The probability that they will not win a prize in a single trial is<\/a><\/p>\n