Question 7 (1 point)

Question 7 options:

How many different phone numbers are possible in the area code 503, if the first number cannot start with a 0 or 1? Do not use commas in your answer. Answer:

Question 8 (1 point)

Question 8 options:

The number of M&M's for each color found in a case were recorded in the table below.

Blue = 481, Brown = 371, Green = 483, Orange = 544, Red = 372, Yellow = 369

Total = 2620

What is the probability of selecting a red M&M? Round answer to 4 decimal places. Answer:

Question 9 (1 point)

Question 9 options:

Find the probability of rolling a sum of two dice that is a 7 or a 12. Round answer to 4 decimal places. Answer:

Question 10 (1 point)

Does the following table represent a valid discrete probability distribution?

x	-5	-2.5	0	2.5	5
P(X=x)	0.05	0.25	0.32	0.18	0.2

Question 10 options:

	yes
	no

Question 11 (1 point)

Question 11 options:

The random variable X = the number of vehicles owned. Find the probability that a person owns less than 2 vehicles. Round to two decimal places.

x	0	1	2	3	4
P(X=x)	0.1	0.35	0.25	0.2	0.1

Answer: