SOLUTION: the weight of queen Emma chocolate in a box is a random variable with a mean weight of 16 grams and a standard deviation of 0.6 grams. if the box contains 24 chocolate bars, what i

Algebra ->  Probability-and-statistics -> SOLUTION: the weight of queen Emma chocolate in a box is a random variable with a mean weight of 16 grams and a standard deviation of 0.6 grams. if the box contains 24 chocolate bars, what i      Log On


   

Question 1197612: the weight of queen Emma chocolate in a box is a random variable with a mean weight of 16 grams and a standard deviation of 0.6 grams. if the box contains 24 chocolate bars, what is the probability that the mean weight of randomly picked box will be over 16.5 grams?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
z+=blue+%28x+-+mu%29%2Fblue%28sigma%2Fsqrt%28n%29%29
z+=blue+%2816.5+-+16%29%2Fblue%28.6%2Fsqrt%2824%29%29 = 4.0825
P(z > 4.0825) = normcdf(4.0825, 9999, 1, 0) = .00002