√16 x √81 = 4 x 9 = 36
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The mean is: 81.6 The median is: 81 Its mode is: 81 and 83 because its bi-modal
(4/9)³ = (4/9) × (4/9) × (4/9)(4/9) × (4/9) = 16/81(16/81) × (4/9) = 64/729
(.81)(.81)(.81)(.81)(.81)(.81) = .2824 p = 1 - .2824 = .7176 answer = .7176
There are an infinite list of different sets of 5 that do that.If their mean is 80, then the only thing you know about them is that they add up to 400.Here's one set:78, 79, 80, 81, 82Here's another one:79, 81, -600, 400, 440.The mean doesn't tell us anything about what the individual numbers must be.
For the set (87 81 75 75 75 70 62 62 62 62 62 56 56): The mean is 68.076923 repeating The median is 62 The mode is 62