Question
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%
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%
Answers
PsyDAG
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.
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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