SOLUTION: 60% of the trees planted by Quick Grow Landscaping survive.Quick Grow has just planted 12 trees on campus. What is the expected number (the mean) of trees that will survive?

Algebra ->  Probability-and-statistics -> SOLUTION: 60% of the trees planted by Quick Grow Landscaping survive.Quick Grow has just planted 12 trees on campus. What is the expected number (the mean) of trees that will survive?       Log On


   

Question 1074776: 60% of the trees planted by Quick Grow Landscaping survive.Quick Grow has just planted 12 trees on campus. What is the expected number (the mean) of trees that will survive?
Answer by stanbon(75887) About Me  (Show Source):
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): 60% of the trees planted by Quick Grow Landscaping survive.Quick Grow has just planted 12 trees on campus. What is the expected number (the mean) of trees that will survive?
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Binomial Problem with n = 12 and p = 0.6
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Ans: E(x) = n*p = 12*0.6 = 7.2
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Cheers,
Stan H.
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