Answer: 7 1/2
Step-by-step explanation:
The answer is 0.690129 hope this helps:)
Answer:
The probability of selecting a solid black marbles both times;
P = 9/100
Attached is the completed question;
Step-by-step explanation:
Number of solid black marbles = 3
Total number of marbles = 10
The probability of selecting a solid black marble;
P1 = 3/10
With the assumption that the marbles are replaced before next selection.
The probability of selecting a solid black marbles both times;
P = P1 × P1 = 3/10 × 3/10 = 9/100
P = 9/100
I don’t know sorry I’m on the same one and can’t find it out
$20 a month. if u subtract the amount that she started with from $85, you get $60. $60 divided by 3 months is $20 a month