# Question: Referring to the contingency table in Problem 4 10 if a

Referring to the contingency table in Problem 4.10, if a marketer is selected at random, what is the probability that

a. He or she plans to increase use of LinkedIn?

b. He or she is a B2C marketer?

c. He or she plans to increase use of LinkedIn or is a B2C marketer?

d. Explain the difference in the results in ( b) and ( c).

a. He or she plans to increase use of LinkedIn?

b. He or she is a B2C marketer?

c. He or she plans to increase use of LinkedIn or is a B2C marketer?

d. Explain the difference in the results in ( b) and ( c).

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