SOLUTION: If a person bought 1 share of google stock within the last year, what is the probability that the stock on that day closed at more than $750
If a person bought 1 share of google
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Question 1110020: If a person bought 1 share of google stock within the last year, what is the probability that the stock on that day closed at more than $750
If a person bought 1 share of google stock within the last year what is the probability that the stock on that day closed within $75 of the mean of that year?
From the data set, so far I worked out the following:
Mean=945.7195
SD=89.82067
Q1=795.7
Q2=939.78
Q3=1010.17
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
If a person bought 1 share of google stock within the last year, what is the probability that the stock on that day closed at more than $750
If a person bought 1 share of google stock within the last year what is the probability that the stock on that day closed within $75 of the mean of that year?
From the data set, so far I worked out the following:
Mean=945.7195
SD=89.82067
Q1=795.7
Q2=939.78
Q3=1010.17
-----------------
Z(750) = (750-945.72)/89.82 = -2.18
p(X > 750) = p(Z> -2.18) = Normalcdf(-2.18,100) = 0.9853
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z(-75) = -75/89.82 = -0.835
z(+75) = +0.835
-----
P(within 75 of mean) = P(-0.835 < z < + 0.835) = normalcdf(-0.835,0.835) = 0.5963
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Cheers,
Stan H.
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