Question involving the selection of two apples from a bag of red and yellow apples without replacement. Assume that the bag has a total of 18 apples: 8 red and 10 yellow.
(1) What is the probability that the second apple you pick is red?
(2) What is the probability that you pick at least one red apple?
Stacey Warren - Expert brainly.com
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I don't know if that is right though
a) The probability that the first apple you pick is red = 8/18
The probability that the second apple you pick is also red = 7/17
Tot Probability= 56/306
The probability that the first apple you pick is yellow = 10/18
The probability that the second apple you pick is red = 8/17
Tot Probability = 80/306
Added together = 136/306 = 4/9
b) calculate the probability that you don't pick any red apples.
= 10/18 * 9/17
oh my why didn't I think about that?
let me see if that works
Jadedry answers are right. |dw:1443697090611:dw| . Alternatively, you can use probability tree to solve the problem.
No problem, happy to help!
Remember that if events are dependent on each other, you have to multiply. If they are not, you can add them up.