Question

PLEASE ANSWER ALL 4 questions :) thank you so much!!!!

fx [ 2 AY LUE insert unction AutoSum Recently Financial Logical Text Date & Lookup & Math & M Used Time Reference - Trigº Fund Function Library 11 :x & for 4 A B C D E F G 4.11 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). • 43410 411 412 4.16 4.24

please include what formulas you used to figure it out.

Answer 1

a)P(plans to increase) =3072/5086 =0.6040

b) P(B2C marketer) =3306/5086 =0.6500

c) P(B2C or plan to increase )=(3306+3072-1719)/5086 =0.9160

d) b) is a marginal probability of being a B2C marketer, while d) is a combined event ,