Example 34
Last updated at Dec. 8, 2016 by Teachoo
Transcript
Example 34 Find the mean of the Binomial distribution B(4, 13) B(4, 13) means Here, n = 4, p = 13 So , q = 1 − 13 = 23 Hence, P (X = x) = 4Cx 𝟏𝟑𝒙 𝟐𝟑𝟒−𝒙 Mean of distribution = P (X = x) = 4Cx 13𝑥 234−𝑥 Mean = = 0 + 1 × 4C1 131 233+ 2 × 4C2 132 232 + 3 × 4C3 133 23 + 4 × 4C4 134 230 = 4 × 13 × 827 + 2 × 6 × 19 × 49 + 3 × 4 × 127 × 23 + 4 × 1 34 × 1 = 3281+ 4881+ 2481+ 481 = 10881 = 𝟒𝟑
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Chapter 13 Class 12 Probability
Serial order wise
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CA Maninder Singh
CA Maninder Singh is a Chartered Accountant for the past 8 years. He provides courses for Practical Accounts, Taxation and Efiling at teachoo.com .