susannaking5852
14.05.2021 •
Mathematics
A spinner has 14 equal sectors with different letters for each sector, as shown below:
Victoria spins the spinner 18 times, and it stops at the letter 'B' 10 times. If she spins the spinner a 20th time, what is the theoretical probability that this time it will stop at the letter 'B'?
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Ответ:
1/14
Step-by-step explanation:
The sectors labeled are B, Y, G, C, P, F, O, V, M, A, D, E, H, and R.
Total number of sectors = 14.
When Victoria spins the spinner 18 times, and it stops at the letter B 10 times.
When Victoria spins the spinner the theoretical probability that this time it will stop at the letter B = Favourable outcomes ÷total number of outcomes.
Favourable outcomes =1 and Total number of outcomes = 14.
Hence Theoretical Probability = 1 over 14.
Ответ:
I think you are supposed to multiply 3.14(Pi) by the radius I hope this helps<3