90 - (90 × .7) = $27
hope this helps
Answer:
3232.7
Step-by-step explanation:
Answer:
yes :- P ( Ei ∩ Ej ) = 0
Step-by-step explanation:
These are mutually exclusive events
that is, a customer can only go to a gas station to fill his car with gas par time
P(E1) = 1/4
P(E2) = 1/4
P(E3) = 1/4
P(E4) = 1/4
summation of the four probabilities give 1
700 is your answer........