Check my answer please?
An auditor remarks that the accounts receivable for a company seem to average about $2000. A quick check of 20 accounts gives a mean of $2250 with a standard deviation of $600. Where is the p-value?

Question

Check my answer please?  
An auditor remarks that the accounts receivable for a company seem to average about $2000.  A quick check of 20 accounts gives a mean of $2250 with a standard deviation of $600.  Where is the p-value?

fibonaccichick666 · Answer

Choices:
a. Below .01
b. Between .01 and .025
c. Between .025 and .05
d. Between .05 and .10
e. Over .10

fibonaccichick666 · Answer

Using a one tailed t-test I arrived at a p-value of .0779, so my answer is d.

ebayminer126 · Answer

Looks like it to me

ebayminer126 · Answer

@FibonacciChick666

fibonaccichick666 · Answer

thanks a bunch.  do you agree with the one-sample t-test use?