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(2) (c) Wat is die waarskynlikheid dat die gemiddelde tyd van die steekproef meer is as 95 minute, gegee ons weet die gemiddelde tyd van

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(2) (c) Wat is die waarskynlikheid dat die gemiddelde tyd van die steekproef meer is as 95 minute, gegee ons weet die gemiddelde tyd van die steekproef is meer as 93 minute? / What is the probability that the mean (average) time of the sample is greater than 95 minutes, given that we know that average time of the sample is greater than 93 minutes? (3)

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