question archive Fragnance Soaps Pvt Ltd is a leading soap manufacturing company in India
Fragnance Soaps Pvt Ltd is a leading soap manufacturing company in India
Subject:MathPrice:2.87 Bought7
Fragnance Soaps Pvt Ltd is a leading soap manufacturing company in India. "Active" is a well known brand of the company. Company conducted a survey to find out preference for this brand. The marketing research responses are as shown in the following table:
Prefer
Ahmedabad
Gwalior
Raipur
Lucknow
Yes
55
40
80
75
No
40
30
20
90
No Opinion
5
10
20
35
If a customer is selected at random, what is the probability?
(a) That he or she prefers active?
(b) The consumer prefers Active and is from Ahmadabad?
(c) The consumer prefers Active given he is from Lucknow?
(d) That he is from Raipur and has no opinion?
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Answer:
(a) 0.5
(b) 0.11
(c) 0.375
(d) 0.04
(a) From the contingency table this probability can be directly read off as 0.5
(b) from the table we get this probability as 0.11
(c) P(Active given Lucknow) = ?0.15/0.4?? = 0.375
(d) from the table we get this probability as 0.04
PFA
