Homework Answers
(a) Probability = (0.79*1318 + 0.55*1704)/(1318 + 1704) = 0.655
(b) Probability = (0.79*1318)/(1318 + 1704) = 0.345
(c) Probability = (0.79*1318 + 1704)/(1318 + 1704) = 0.908
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Question 7 5 pts A survey about social media reported that 79% of B2B marketers (marketers...
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A survey about social media reported that 79% of B2B marketers (marketers that focus primarily on...
A survey about social media reported that 79% of B2B marketers
(marketers that focus primarily on attracting businesses) plan to
increase their use of social media, as compared to 53% of B2C
marketers (marketers that primarily target consumers). The survey
was based on 1 comma 1,312 B2B marketers and 1 comma 1,700 B2C
marketers. The accompanying table summarizes the results. Complete
parts (a) through (d) below.
What is the
probability that a randomly selected respondent plans to increase
use of...
A survey about social media reported that 75% of B2B marketers (marketers that focus primarily on...
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The responses of 1074 voters to survey about the way the media conducted themselves in a recent political campaign are...
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the media conducted themselves in a recent political campaign are
shown in the accompanying Pareto chart. Find the probability of
each event listed in parts (a) through (d) below.
(a) Randomly selecting a person from the sample who did not give the media an A or a B The probability is (Type an integer or a decimal. Round to three decimal places as needed) (b) Randomly selecting a person from...
A survey about social media reported that 79% of B2B marketers
(marketers that focus primarily on attracting businesses) plan to
increase their use of social media, as compared to 53% of B2C
marketers (marketers that primarily target consumers). The survey
was based on 1 comma 1,312 B2B marketers and 1 comma 1,700 B2C
marketers. The accompanying table summarizes the results. Complete
parts (a) through (d) below.
What is the
probability that a randomly selected respondent plans to increase
use of...
Total A survey of B2B marketers (marketers that focus primarily on attracting businesses) and B2C marketers (marketers that primarily target consumers) was based on 1000 B2B marketers and 1000 B2C marketers. The table to the right summarizes the results. Complete parts (a) through (c) below. Increase use of social media Yes No Total B2B 593 407 1000 Business Focus B2C 747 253 1000 1340 660 2000 a. Suppose you know that the marketer is a B2B marketer. What is the...
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each event listed in parts (a) through (d) below.
(a) Randomly selecting a person from the sample who did not give the media an A or a B The probability is (Type an integer or a decimal. Round to three decimal places as needed) (b) Randomly selecting a person from...
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