Asked by Odette
Assume that each month the average Canadian household generates an average of 13kg of newspaper for garbage or recycling with a standard deviation of 1kg. What is the probability that a randomly selected household generates between 12 and 15 kg of newspaper per month?
A) 23.08%
b) 34.13%
c) 47.72%
d) 49.87%
e) 81.85%
By using z-scores I managed the answer of 49.87. Somehow it appears that other classmates consistently attained 81.85, how is this so?
A) 23.08%
b) 34.13%
c) 47.72%
d) 49.87%
e) 81.85%
By using z-scores I managed the answer of 49.87. Somehow it appears that other classmates consistently attained 81.85, how is this so?
Answers
Answered by
bobpursley
http://davidmlane.com/hyperstat/z_table.html
Your classmates are right.
Your classmates are right.
Answered by
Anonymous
However, on an exam I will not have a computed normal distributions.
How do you manage this manually?
How do you manage this manually?
Answered by
Anonymous
Never-mind. Question answered.Thank you.
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