Question 5 10 pts Numbered disks are placed in a box and one disk is selected at

Question

Question 5 10 pts Numbered disks are placed in a box and one disk is selected at random. There are 6 red disks numbered 1 through 6, and 7 yellow disks numbered 7 through 13. In an experiment a disk is selected, the number and color noted, replaced, and then a second disk is selected. Is this an example of nce? Answer Yes or No. Question 6 10 pts Provide an appropriate response. The Environmental Protection Agency must inspect nine factories for complaints of water pollution. In how many different ways can a representative visit five of these to investigate this week? 45

Explanation / Answer

Question 5)

Yes

This is example of independence

Here we select one disk randomly and noted it then put it in box again (i.e. Replaced ) for second draw, therefore it's not depend on first draw,

Question 6)

Representative visit 5 of the 9 companies

Clearly he can visit 9P5 different ways i.e.

15120 different ways

Therefore third option 15120 is right

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