ok so she is selling the card for .75 but makes a profit of .35
.75-.35=.4 (what wasn't profit) divid 42 by .4
42/.4=105+42 (have to add in profit portion) =$147 Gross income
Answer:
A and B are not independent
Explanation:
Given


Required
Determine if A and B are independent
If A and B are independent, then:

Substitute values for P(A) and P(B)


The calculated value of P(A n B) and the given value of P(A n B) are not equal.
i.e.

<em>Hence, A and B are not independent</em>
I agree driving should be age 18