Question

Mark noticed that his bus is late to school 5% of the time. He wants to design a spinner he can use to simulate the situation and determine the probability that the bus will be late three times next week. How should Mark divide his spinner to best simulate the situation? 2 equal-sized sections 5 equal-sized sections 15 equal-sized sections 20 equal-sized sections

Answer 1

Answer:

20 equal-sized sections .

Step-by-step explanation:

To find this, we need to know the probability.

Because,

$no. \: of \: sections \: to \: be \: divided \: = \: \frac{1}{probability}$

We know that,

$probability \: = \: \frac{chance}{100\%}$

therefore,

probability = 5% / 100%

= 1/20

therefore,

no. of sections to be divided = 1/(1/20)

= 20

Hope this helps.

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