The number of cartoons watched by Mr.s Kelly\'s 1st grade classon Saturday morni

Question

The number of cartoons watched by Mr.s Kelly's 1st grade classon Saturday morning is shown below    x         P(x)    0         0.15    1         0.20    2         0.30    3         0.10    4         0.20    5         0.05 What is the mean, variance, and standard deviation of thedistribution of the data given above? The number of cartoons watched by Mr.s Kelly's 1st grade classon Saturday morning is shown below    x         P(x)    0         0.15    1         0.20    2         0.30    3         0.10    4         0.20    5         0.05 What is the mean, variance, and standard deviation of thedistribution of the data given above?

Explanation / Answer

X p(X) XP(X) X^2P(X) 0 0.15 0 0 1 0.2 0.2 0.2 2 0.3 0.6 1.2 3 0.1 0.3 0.9 4 0.2 0.8 3.2 5 0.05 0.25 1.25 0.43 1.35 mean=0.43 variance=1.35-0.43^2=1.270493 standarddeviation=variance^0.5=1.1271

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