(d) The person is female or not nequ 26. Eye Survey The table shows the results
ID: 3061924 • Letter: #
Question
(d) The person is female or not nequ 26. Eye Survey The table shows the results of a survey that asked 3203 people whether they wore contacts or glasses. A person is selected at random from the sample. Find the probability of each event. Only Contacs Only passe oth Nelther Totl 841 427 177 456 1538 368 681 1665 Male 64 F Female189 Total 23 126845 1137 3203 (a) The person wears only contacts or only glasses. (b) The person is male or wears both contacts and glasses. (c) The person is female or wears neither contacts nor glasses. (d) The person is male or does not wear glasses. 3)PICUExplanation / Answer
(a) (253+1268) / 3203 = 1521/3203
(b) (1538+368)/3203 = 1906/3203
(c) (1665 + 456) / 3203 = 2121/3203
(d) (456 + 64) / 3203 = 520/3203
(e) ( 1268 + 1147) / 3203
(f) (189 + 427)/1665
(g) (189+427) / (253+1268)
(h) (841+177)/(1268+545)
(I) 1-681/1665
(j) 1-368/1665
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