In: Statistics and Probability
SurveyUSA conducted a poll from March 4, 2020 to March 6, 2020 regarding how concerned people were about the Wuhan Coronavirus. One of the questions asked, "As a result of the coronavirus, have you bought anti-bacterial surface wipes?" The results are summarized in the table below.
Male | Female | Total | |
Purchased wipes | 150 | 114 | 264 |
Did not purchase | 450 | 486 | 936 |
Total | 600 | 600 | 1200 |
Using your tools from the probability chapter, does it appear that buying anti-bacterial wipes is independent of gender?
Explain.
Are female and purchasing anti-bacterial wipes mutually exclusive (disjoint)?
Explain.