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Drupady [299]
3 years ago
8

A circle is divided into 9 uneven "pie" shaped pieces. Each section is labeled 1, 2, ... , 9. The circle is then spun and the nu

mber pointing north recorded. Estimate the central angle of the section labeled 4.
4 3 2 1 9 8 5 6 7 4 3 2 1 5 8 6 5 4

A. 72
B. 3/18
C. 60
D. 0.2
Mathematics
2 answers:
8_murik_8 [283]3 years ago
7 0
There are three outcomes of 4 out of eighteen outcomes, so the fraction of angle of spinner numbered 4 is \frac{3}{8}
ICE Princess25 [194]3 years ago
4 0

Answer: Option 'B' is correct.

Step-by-step explanation:

Since we have given that

A circle is divided into 9 uneven pie shaped pieces.

Each section is labeled 1 to 9.

When the circle is spun and the number pointing north it will be recorded:

4 3 2 1 9 8 5 6 7 4 3 2 1 5 8 6 5 4

We need to find the central angle of the section labeled 4.

Number of times 4 occur= 3

Total number of times it has been recorded = 18

So, Probability of getting "4" is given by

\frac{\text{Numberof favourable outcomes}}{\text{Total number of outcomes }}\\\\=\frac{3}{18}\\\\=\frac{1}{6}

Hence, Option 'B' is correct.

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