Question

Question 1:

A manager has kept track of the number of products sold per day. The chance that 10 products are sold is 12%. The change that 11 products are sold is 33%. The chance that 12 products are sold is 26%. The chance that 13 products are sold is 18%. Finally, the chance that 14 products are sold is 11%. What is the expected number of products sold per day?

(a) 11.03

(b) 13

(c) 11.83

(d) 12

Question 2:

Assume 90% of students will finish a test on time. There are 15 students taking a test. How likely is it that at least 13 students will finish the test on time?

(a) 26.7%

(b) 54.9%

(c) 81.6%

(d) 18.4%

Answer 1

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