In: Statistics and Probability
1) The table below shows how many people out of customers of a
shop were young or adult and make or
did not make a purchase.
YOUNG (Y) | Adult (A) | Total | |
Make Purchase (MP) | 1236 | 2134 | 3370 |
Did not make purchase | 1248 | 555 | 1803 |
Total | 2484 | 2689 | 5173 |
a) (5 pts) Find the probability the random consumer is young if
he/she made a purchase. Round the
decimal
answer to 3 decimal places.
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b) (2 pts) Find the probability the random consumer is young. Round
the decimal answer to 3 decimal
places.
?(?) =
c) (2 pts) Find the probability the random consumer did not make a
purchase. Round the decimal
answer to 3
decimal places.
?(??) =
d) (2 pts) Find the probability the random consumer is adult and
did not make a purchase. Round the
decimal
answer to 3 decimal places.
?(? ??? ??) =
e) (5 pts) Find the probability the random consumer is either young
or did not make a purchase.
Round the
decimal answer to 3 decimal places.
?(? ?? ??) =