Mathematics
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OpenStudy (foxythepirate0984):
Valerie plays a game using the spinner shown. During the game she will spin a total of 36 times.
Which is the best prediction for the number of times she will get either "lose a turn" or "back 3" on the spinner?
A.
2
B.
6
C.
12
D.
18
10 years ago
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OpenStudy (foxythepirate0984):
@ChantySquirrel1129**
@prettypink_mega
@shamim
10 years ago
jimthompson5910 (jim_thompson5910):
how many spaces are labeled either "lose a turn" or "back 3" ?
10 years ago
OpenStudy (foxythepirate0984):
?
10 years ago
jimthompson5910 (jim_thompson5910):
look at the spinner
10 years ago
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OpenStudy (foxythepirate0984):
k
10 years ago
jimthompson5910 (jim_thompson5910):
how many times does "lose a turn" come up?
10 years ago
OpenStudy (foxythepirate0984):
1
10 years ago
jimthompson5910 (jim_thompson5910):
how about "back 3"
10 years ago
OpenStudy (foxythepirate0984):
1
10 years ago
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jimthompson5910 (jim_thompson5910):
so there are 2 spaces out of 6
2/6 = 1/3
10 years ago
jimthompson5910 (jim_thompson5910):
1/3 is the probability of landing on either "lose a turn" or "back 3"
10 years ago
jimthompson5910 (jim_thompson5910):
multiply that probability with the number of spins (36)
10 years ago
OpenStudy (foxythepirate0984):
1/3 x 36 = 3?
10 years ago
jimthompson5910 (jim_thompson5910):
incorrect
10 years ago
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OpenStudy (foxythepirate0984):
16?
10 years ago
jimthompson5910 (jim_thompson5910):
it might help to think of 1/3 as 0.3333 (approximate)
10 years ago
jimthompson5910 (jim_thompson5910):
1/3 times 36 = 0.3333 times 36 = ???
10 years ago
OpenStudy (foxythepirate0984):
11.9988
10 years ago
jimthompson5910 (jim_thompson5910):
round that to the nearest whole number
10 years ago
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OpenStudy (foxythepirate0984):
umm 19?
10 years ago
jimthompson5910 (jim_thompson5910):
no
10 years ago
OpenStudy (foxythepirate0984):
18
10 years ago
jimthompson5910 (jim_thompson5910):
I would appreciate it if you didn't randomly guess
10 years ago
jimthompson5910 (jim_thompson5910):
11.9988 has the whole part of "11"
the number 11.9988 is between 11 and 12
10 years ago
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OpenStudy (foxythepirate0984):
12?
10 years ago
jimthompson5910 (jim_thompson5910):
yes
10 years ago
OpenStudy (foxythepirate0984):
Thx for the help
10 years ago
jimthompson5910 (jim_thompson5910):
yw
10 years ago