The arithmetic mean of two observations is 127.5, and their geometric mean is 60. Find their harmonic mean. Aslo obtain the observations.

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A: From the provided information, Mean (µ) = 88 Standard deviation (σ) = 36 X~N (88, 36)

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Q: If the arithmetic mean of two items of a series is 12.5 and G.M. is 10, what is the difference of th...

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A: as per our company guidelines we are supposed to answer only first parts. Kindly repost other parts ...

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Q: The arithmetic mean of two observations is 127.5, and their geometric mean is 60. Find their harmoni...

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A: Here  For Binomial distribution  mean=np Variance=np(1-p)

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