Mathematics, 07.03.2020 05:01, noeminm105
Isabel Briggs Myers was a pioneer in the study of personality types. The personality types are broadly defined according to four main preferences. Do married couples choose similar or different personality types in their mates? The following data give an indication.
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 35
122
110
69
39
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 1 2 3 4
(b) Do the probabilities add up to 1? Why should they?
(c)What is the sample space in this problem?
a.0, 1, 2, 3 personality preferences in common
b.1, 2, 3, 4 personality preferences in common
c.0, 1, 2, 3, 4, 5 personality preferences in common
d.0, 1, 2, 3, 4 personality preferences in common
Answers: 3
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