Question: I need typed answer don't write in a paper plz The Census Bureau reports that 81% of Americans over the age of 25 are high

I need typed answer don't write in a paper plz

The Census Bureau reports that 81% of Americans over the age of 25 are high school graduates. Find the mean and standard deviation for the number of high school graduates in a group of 7 Americans over the age of 25. Mean = 5.67 Standard deviation = 1.0379 A survey of 7 randomly selected Americans over the age of 25 showed that 6 of them were high school graduates. What is the probablety that a group of 7 Americans over the age of 25 has at most 6 graduates

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