Normal Distribution Question!!

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sea1893

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Nov 16, 2012
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I am in desperate need of some help! Here is the question:
The wingspans of recently cloned monarch butterflies follow a normal distribution witha mean of 9 inches and a standard deviation of 0.75 inches. What proportion of the butterflies has a wingspan of
a) less than 8 inches
b) wider than 10 inches
c) between 8 and 10 inches
PLEASE HELP
 
sea1893 said:
I am in desperate need of some help! Here is the question:
The wingspans of recently cloned monarch butterflies follow a normal distribution witha mean of 9 inches and a standard deviation of 0.75 inches. What proportion of the butterflies has a wingspan of
a) less than 8 inches
b) wider than 10 inches
c) between 8 and 10 inches
PLEASE HELP
Click to expand...

Think z-distribution...

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We can help - we only help after you have shown your work - or ask a specific question (not a statement like "Don't know any of these")

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