A study was conducted to 1600 individuals to determine whether any relationship exists between income and chosen wireless company. The results are presented below:

Annual Income	T-Mobile (T)	AT&T (A)	Verizon (V)	Other (O)
Less than 50k (L)	340	430	234	76
50k - 100k (M)	115	145	186	22
More than 100k (H)	7	18	25	2

If a Verizon subscriber is selected, what is the probability that he/she earns more than 100K?

Question 1 options:

a)

.016

b)

.058

c)

.485

d)

.033

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Question 2(0.25 points)

What percentage of the sample is represented by individuals who are T-Mobile subscribers and make less than 50K?

Question 2 options:

a)

31.6%

b)

73.7%

c)

21.3%

d)

75.1%

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Question 3(0.25 points)

What percentage of the sample is represented by individuals who are T-Mobile subscribers or individuals that make more than 100K?

Question 3 options:

a)

.4%

b)

1.4%

c)

12.1%

d)

31.8%

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Question 4(0.25 points)

Do individuals making less than 50K tend to subscribe to T-Mobile? Explain using the test of independence.

Question 4 options:

a)	No, those who make less than 50k tend not to subscribe to T-Mobile

b)	Yes, those who make less than 50k tend to subscribe to T-Mobile

c)	No, Less than 50k and T-Mobile are independent

d)	Yes, Less than 50k and T-Mobile are mutually exclusive