The probability for parental involvement in K-5 student activities is 3.5% for no activities, 7.4% for 1, 19.7% for 2, 32.0% for 3, and 37.4% for 4 activities.  Source:  US. National Center for Education Statistics   Use appropriate titles, labels, and units as you   a) Construct a discrete probability distribution.   b) Find the mean, variance, and standard deviation of the distribution.   c) Write a sentence stating expected value of the distribution.

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The probability for parental involvement in K-5 student activities is 3.5% for no activities, 7.4% for 1, 19.7% for 2, 32.0% for 3, and 37.4% for 4 activities.  Source:  US. National Center for Education Statistics

 

Use appropriate titles, labels, and units as you

 

a) Construct a discrete probability distribution.

 

b) Find the mean, variance, and standard deviation of the distribution.

 

c) Write a sentence stating expected value of the distribution.

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