MHB Probability of Spin Resulting in Even # or <4

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The discussion centers on calculating the probability of a spin resulting in an even number or a number less than 4. The initial calculation yielded results of 3/4 or 6/8, using union set operations for the probabilities of 4/8 and 3/8. Participants agree that the correct answer is 3/4, which is not included in the provided answer choices. The conversation highlights a potential oversight in the options given. Overall, the consensus points to 3/4 as the accurate probability.
MIIF
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I tried to answer it and got 3/4 or 6/8 after using the union set operation for 4/8 or 1/2 and 3/8, based on what is being asked in the problem. https://www.mathplanet.com/education...lity-of-eventshttps://uploads.tapatalk-cdn.com/20180329/39d5da5505f3c8ccaa27619bfbfd516c.jpghttps://uploads.tapatalk-cdn.com/20180329/3cd8ecb6e781e932cdcc6cdba59ea7b5.jpg
 
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MIIF said:
I tried to answer it and got 3/4 or 6/8 after using the union set operation for 4/8 or 1/2 and 3/8, based on what is being asked in the problem. https://www.mathplanet.com/education...lity-of-events
Hi MIIF, and welcome to MHB!

I agree with you. The answer should be 3/4, which is not listed among the choices A.-D.
 
Opalg said:
Hi MIIF, and welcome to MHB!

I agree with you. The answer should be 3/4, which is not listed among the choices A.-D.
Thanks!
 

Thread 'Area of Overlapping Squares'

Here is a little puzzle from the book 100 Geometric Games by Pierre Berloquin. The side of a small square is one meter long and the side of a larger square one and a half meters long. One vertex of the large square is at the center of the small square. The side of the large square cuts two sides of the small square into one- third parts and two-thirds parts. What is the area where the squares overlap?
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