42. In the hypothesis testing procedure, the statement which represent the research hypothesis can also be called as

Select one:

A. Alternative hypothesis

B. Level of significance

C. Null hypothesis

D. Critical value

43. When a customer places an order with SunShine on-line supplies, a computerized accounting information system automatically checks to see if the customer has exceeded his or her credit limit. Past records indicate that the probability of customers exceeding their credit is 0.05. Suppose that on a given day 20 customers place their orders independently. What is the probability that at most 2 customers will exceed their credit limit?

Select one:

A. 0.924

B. 0.189

C. 0.076

D. 0.735

44. A mini market has analyzed the monthly amount spent by its credit card customers and found that it is normally distributed with a mean of RM100 and a standard deviation of RM15. What is the probability that people will spend below RM80?

Select one:

A. 0.0918

B. 0.4082

C. 0.9082

D. 0.0935