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OpenStudy (anonymous):
The spinner shown is to be spun 40 times. Which is the best prediction for the number of times the spinner will stop on A or D? A. 10 B. 20 C. 25 D. 30http://assets.openstudy.com/updates/attachments/532a82cce4b02a4ef4018be2-72595210002-1395294958064-pqrstywxyz.jpg
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OpenStudy (anonymous):
help
OpenStudy (anonymous):
@ganeshie8
OpenStudy (irishboy123):
20. A & D account for half the area. Assuming a fair spin each time.
OpenStudy (anonymous):
pie is cut into 8 pieces there are 2 a and 2 d which make it 4/8 prob on stopping on a or d 1/2 that is probability if spun/spinned 1 time when spun around 40 times it gets you the anwer is b
OpenStudy (anonymous):
*answer
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