The probability of drawing a black marble is 7/31 or .226 or 22.581%. To find the probability of these type of questions, add all together to get 31, then since there are 7 black marbles the probability would be 7/31.
Answer:
5 ft.
Step-by-step explanation:
Since 1 foot is 12 inches, and you have to be 60 inches tall, than you would divide 60 by 12. which is 5. So it will be 5ft.
Answer:
P(D) = 0.3
Step-by-step explanation:
P(A) = 0.5
P(D|A) = 0.6
P(D) = P(A) * P(D|A)
P(D) = 0.5 * 0.6 = 0.3
Answer:yes
Step-by-step explanation: