Statistics Help! Thank you!

ryan_citelli

New member
Joined
Apr 12, 2012
Messages
1
Suppose that the distribution of heights for a very large population follows a
normal curve with a mean of 65 inches and an SD of 3 inches.
A random sample is taken and it is claimed that the chance that the sample mean
is bigger than 66 inches is 1%.
The sample size must be about: (pick an option and explain)

(a) 9 (b) 37 (c) 49 (d) 60

(e) Cannot be worked out without more information
 

tkhunny

Moderator
Staff member
Joined
Apr 12, 2005
Messages
9,784
You tell me the Standard Deviation of the Sample mean, then we can talk. (Note: This is NOT a request for more information.)
 
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