Suppose that a married couple is selected at random. (a) Use the data to estimate the probability that they will have 0, 1, 2, 3, or 4 personality preferences in common. (Enter your answers to 2 decimal places.) 0 4 2 3 (b) Do the probabilities add up to 1? Why should they?

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Similarities and Differences in a Random Sample of 375 Married Couples
Number of Similar Preferences
Number of Married Couples
All four
Three
Two
One
None
Suppose that a married couple is selected at random.
33
120
122
62
38
(a) Use the data to estimate the probability that they will have 0, 1, 2, 3, or 4 personality preferences in common. (Enter your answers to 2 decimal places.)
0
2
3
4
(b) Do the probabilities add up to 1? Why should they?
Transcribed Image Text:Similarities and Differences in a Random Sample of 375 Married Couples Number of Similar Preferences Number of Married Couples All four Three Two One None Suppose that a married couple is selected at random. 33 120 122 62 38 (a) Use the data to estimate the probability that they will have 0, 1, 2, 3, or 4 personality preferences in common. (Enter your answers to 2 decimal places.) 0 2 3 4 (b) Do the probabilities add up to 1? Why should they?
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