A null hypothesis can only be rejected at the 10% significance level if and only if:
a. a 90% confidence interval includes the hypothesized value of the parameter
b. a 90% confidence interval does not include the hypothesized value of the parameter
c. the null hypothesis is biased
d. the null hypotheses includes sampling error
b
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A buyer of $8100 in merchandise inventory failed to take advantage of the vendor's credit terms of 3.00/15, n/45, and instead paid the invoice in full at the end of 45 days. By not taking advantage of the cash discount, the buyer lost the discount of:
A. $81. B. $1215. C. $100. D. $243. E. $810.
Passwords are secret codes that users enter to gain access to systems. Security can be compromised by all of the following except
a. failure to change passwords on a regular basis b. using obscure passwords unknown to others c. recording passwords in obvious places d. selecting passwords that can be easily detected by computer criminals
In what order is the groundwork of a report completed?
A. develop recommendations, define the problem, seek data B. define the problem, develop recommendations, seek data C. develop recommendations, seek data, define the problem D. seek data, define the problem, develop recommendations
Communication in face-to-face situations is always verbal
Indicate whether the statement is true or false