Answer:
Step-by-step explanation:
No. Of quarters n(Q)= 3
No. Of dimes n(D) = 5
No. Of nickels n(N) = 2
Total T = 3+5+2 = 10
Prob(D) = n(D)/T = 5/10 = 1/2
Now there are 9 left since it is not replaced back
Prob(Q) = 3/9 = 1/3
Prob(D and Q) = 1/2 × 1/3 = 1/6
k = -2/5
2k+9=7-3k
2k+3k=7-9
5k=-3
k=-2/5
add all numbers and divide by the count of numbers.
C,B,D,A
Start at 3(X) and move based on the question
