Number of similar preferences
u2
hн,
0.75
thitt
example 6: 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? a sample was collected and the results are
shown in the table at the right.
number of married couples
all four
three
34
131
two
one
none
ey
al use the data to estimate the probability that they
will have all four preferences in common.
b) find the probability of having two
b) find the probability of having two preferences in
common.
c) find p(at least 2)
d) find p(less than 2)
find p less than 2