Help me please, workbook problem :(
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Help me please, workbook problem :(

[From: ] [author: ] [Date: 11-12-25] [Hit: ]
probability of n people -> 0.1 = 98 * 0.1 = 9.8Number of people n -> 89, probability of n people -> 0.4 = 89 * 0.......
Number of people 'n' -> 84, probability of 'n' people -> 0.2 = 84 * 0.2 = 16.8
Number of people 'n' -> 98, probability of 'n' people -> 0.1 = 98 * 0.1 = 9.8
Number of people 'n' -> 89, probability of 'n' people -> 0.4 = 89 * 0.4 = 35.6

2) next two terms: ....3a(2b)^2 + (2b)^3
= .... 12ab^2 + 8b^3

3) next two terms : ....3(3x)(5)^2 + (5)^3
= .... 225x + 125

4) P(X=4) = 6C4 * (0.30)^4 * (0.70)^2 = 0.06 to 2dp

5) P(x greater than or equal to 2) = 1 - P(X<2)
= 1 - [P(X=0) + P(X=1)]
= 1 - [4C0 * (0.25)^0 * (0.75)^4 + 4C1 * (0.25)^1 * (0.75)^3]
= 1 - 0.74
= 0.26 to 2dp
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