15.A full of 60% of the customers of a quick food chain order a hamburger, French fries, and also a drink. If a random sample of 15 cash register receipts is selected, what is the probability that 10 or more will certainly display that the above 3 food items were ordered?

A.1.000

B.0.186

C.0.403

D.0.000

16.Judging from recent suffer, 5% of the computer system key-boards created by an automatic, high-speed machine are defective. If 6 keyboards are randomly selected, what is the probcapability that none of the keyboards are defective?

A.0.001

B.0.167

C.0.735

D.0.500

17.The probcapacity circulation for the number of automobiles lined up at a Lakeside Olds at opening time (7:30 a.m.) for organization is:

*

On a typical day, exactly how many type of automobiles need to Lakeside Olds mean to be lined up at opening time?

A.10.00

B.1.00

C.2.85

D.1.96

18.On an extremely hot summer day, 5% of the manufacturing employees at Midland States Steel are lacking from work-related. The manufacturing employees are randomly selected for a one-of-a-kind thorough study on absenteeism. What is the probcapacity of randomly choosing 10 production employees on a hot summer day and finding that none are absent?

A.0.002

B.0.344

C.0.599

D.0.100

19.Sweetwater & Associates compose weekend pilgrimage insurance at a very nominal charge.


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Records show that the probcapacity that a motorist will have actually an accident during the weekend and also file a insurance claim is 0.0005. Suppose they wrote 400 policies for the coming weekend, what is the probcapacity that precisely 2 clintends will certainly be filed?

A.0.8187

B.0.2500

C.0.0164

D.0.0001

20.A listing of all possible outcomes of an experiment and also their matching probabilities of event is called a ____________.