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 C?
A.
15
B.
20
C.
25
D.
30
http://static.k12.com/calms_media/media/1416500_1417000/1416598/1/5eacb36129e25373f20114e853ce377ff1265e43/FGA_130913_160914.jpg
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OpenStudy (anonymous):
@LegendarySadist
OpenStudy (anonymous):
How many A's and C's are there? And how many total?
OpenStudy (anonymous):
2 A's 1 C
3 or all of the letters?
OpenStudy (anonymous):
8 in total
OpenStudy (anonymous):
So what would the fraction be?
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OpenStudy (anonymous):
3/8
OpenStudy (anonymous):
yep. So that means that all we have to do now is multiply our fraction by the total number of spins. So 3/8*40
OpenStudy (anonymous):
15?
OpenStudy (anonymous):
Yep, that would be it.
OpenStudy (anonymous):
thanks!! ill tell you what I get
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OpenStudy (anonymous):
100% Thanks so much!!!:D
OpenStudy (anonymous):
Haha no problem, hope you understood :)
OpenStudy (anonymous):
I might have about 3 more questions its part 2 Im soo sorry.
OpenStudy (anonymous):
Well see if you can do them yourself first but if you have any questions just ask