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First-second-third and fourth quartiles respectively

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Reference no: EM132039974

The 25th, 50th, 75th, and 100th percentiles for X are called its first, second, third, and fourth quartiles respectively.

(a) State the definition of the first quartile in terms of probabilities.

(b) Let X be binomial with n = 20 and p = .5. Find the first quartile for X.

(c) Let X be exponentially distributed with 13 = 1. Find the first quartile for X.

Reference no: EM132039974

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