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December 21, 2014

December 21, 2014

Posted by **TCaesar** on Monday, July 22, 2013 at 11:24pm.

• Amy, female, age 35

• Bob, male, age 41

• Chad, male, age 43

• Diana, female, age 44

• Elvis, male, age 49

• Frank, male, age 61

• Ginger, female, age 62

Determine the probability (both as a fraction and a decimal) that the average age of the employees selected is older than 50.

d. Determine the probability that both employees selected are older than 6

- statistics -
**MathMate**, Tuesday, July 23, 2013 at 8:13amxBar > 50

=> {49+61, 49+62, 61+62}

=>

P(xBar>50)=3/7C2=3/28

xBar>60

=> {61+62}

=>

P(xBar>60)=1/7C2=1/28

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