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Statistics

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The Weight of a small Starbucks coffee is normally distributed random variable with a mean of 360 grams and a standard deviation of 9 grams. Find the weight that corresponds to each event.
a. highest 10%
b. highest 50%
c. highest 5%
D. highest 80%
e. lowest 10%
f. middle 50%
g. lowest 90%
h. middle 95%
I. highest 4%

  • Statistics -

    Z = (score-mean)/SD

    Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions/probabilities and their corresponding Z scores. Enter the relevant data in the above equation and calculate the score.

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