The time it takes for climbers to reach the highest point of a mountain is normally distributed with a standard deviation of 0.75 hours. If a sample of 35 people is drawn randomly from the population, what would be the standard error of the mean of the sample?

0.02
0.13
0.17
0.40
0.76

Question

The time it takes for climbers to reach the highest point of a mountain is normally distributed with a standard deviation of 0.75 hours. If a sample of 35 people is drawn randomly from the population, what would be the standard error of the mean of the sample?

0.02
0.13
0.17
0.40
0.76

anonymous · Answer

I think it's 0.13

zarkon · Answer

correct

tkhunny · Answer

Have you considered dividing by $\sqrt{35}$?

"think" -- Not good enough.  Feel free to think, but then PROVE IT!!

anonymous · Answer

I DIVIDED by the square root of 35.

tkhunny · Answer

Here's a plan.  Next time you have an EXACTLY correct answer, say, "The corret answer is _____, and this is how I demonstrated it."

Good work.

anonymous · Answer

Ha, thanks.

tkhunny · Answer

Well, you could also spell "correct" correctly.  :-)