Consider the following discrete probability distribution Random Probability Variable 018 0.25 0.35 0.22 Calculate the mean of the distribution Calculate the standard deviation of this distribution
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Step 1
To find the mean, we need to multiply each outcome by its probability and then add up all the products. So, the mean is: Mean = (0 x 0.18) + (1 x 0.25) + (2 x 0.35) + (3 x 0.22) = 0 + 0.25 + 0.7 + 0.66 = 1.61 Therefore, the mean of the distribution is Show more…
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