In a survey, 400 students in a college were asked where they prefer to do their
ID: 3352702 • Letter: I
Question
In a survey, 400 students in a college were asked where they prefer to do their holiday shopping. Possible responses were "online" and "in a store". The students were also categorized as male or female. He following table records the data collected. Total 260 In store 50 40 90 Online 210 Male Female Total 310 400 a) Complete the table. b) If a student is randomly selected, what is the probability that he/she prefer to shop for gifts online? If a student is randomly selected, what is the probability that she is a female and prefers to shop online? d) d) If a male is randomly selected, what is the probability that he prefers to shop online? If one female is randomly selected, what is the probability that she prefers to shop online? e) Based on your findings, does it appear to be the case that male shops online more than female? Explain. f)Explanation / Answer
Table:
b.
P(Online)=310/400 =0.775
c.P(Female frefer online)=100/400 =0.25
d.P(Online/Male)=210/310=0.6774
e.p(Online/Female )=100/310=0.3226
f.Yes. Male shops online more than Female.
Hope this will be helpful. thanks and god bless you :-)
Online In store Total Male 210 50 260 Female 100 40 140 Total 310 90 400Related Questions
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