You were given the following joint probability function for
y1 = { 0, if the child surv...
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Mathematics, 04.12.2019 07:31 freshysans4
You were given the following joint probability function for
y1 = { 0, if the child survived, 1, if not,
and
y2 = { 0 if no belt used, 1 if adult belt used, and 2 if car seat belt used
notice that y1 is the number of fatalities per child and, since children's car seats usually utilize two belts, y2 is the number of seat belts in use at the time of accident.
given:
y1
y2 0 1 total
0 0.38 0.17 0.55
1 0.14 0.02 0.16
2 0.24 0.05 0.29
total 0.76 0.24 1
are y1 and y2 independent? why or why not?
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