# APUS MATH 120 Week 3 Forum

APUS MATH 120 Week 3 Forum
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Topic 1: Conditional Probabilities

Finding a conditional Probability:

Example

Let’s look at a standard deck of 52 cards.

What is the probability of getting 2 kings assuming that the first one is not replaced?

4/52 * 3/51 = 1/13*1/17= 1/221

What is the probability of getting 2 kings assuming that the first one is replaced?

4/52 * 4/52 = 1/13 * 1/13 = 1/169

Instructions

Now for your main post do a similar problem using with replacement and without replacement. You can use a card problem as long as it is not 2 kings. Try your best to be original. This may not be 250 words. That is fine. Do not solve your own problems. Leave them for your classmates to work.

For your response pick 2 classmates.  On each post copy their problem, then show your work explaining how you worked each problem, and then show your answer. Of course there will be more than one comment on each person’s work. Stay positive when replying.

Instructions: Your initial post may not be 250 words on this one. Please respond to at least 2 other students. Responses may not be 100 words and will include direct questions.

To earn full credit for this forum, you must respond to at least two (2) of your peers and post your initial post by Thurs.

Initial Post Due: Thursday, by 11:55pm, ET

Responses Due: Sunday, by 11:55pm, ET.

*Only during the first week of class are assignments not due until 11:55 p.m., ET, Sunday. After Week 1, all initial posts will be due Thursday, by 11:55pm, ET.

Rubric for grading forums:   60% – Initial Post; 20% – Each Response up to 2 posts

Please sign ALL your Forum posts with the name that you like to be called – it makes it so much easier for the rest of us to address you by your preferred name when we respond.

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