SOLUTION: If you took a sample of 30 guinea pigs, what is the probability thta your sample mean will be at least 145 days? What is the probability tthat your sample mean from a sample of 75

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Question 749520: If you took a sample of 30 guinea pigs, what is the probability thta your sample mean will be at least 145 days? What is the probability tthat your sample mean from a sample of 75 will be at least 145?

I just don't know how to lay it out. All of this stuff is very confusing to me.

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
Your post doesn't make any sense.
Cheers,
Stan H.

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