3 years ago

If the relative frequency of getting a red on a spinner is 0.4 how many reds would you expect to get in 300spins?

1 answer:

5 0

This relative frequency is an experimental probability: that of getting a red on a spinner. In 300 spins, we'd expect to get 0.4(300), or 120, reds.

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If a = 5, b = 5 and c = 10, what is the value of ac / 2b ?

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Step-by-step explanation:

You have to substitute the values of a, b and c into the expression :

$\frac{ac}{2b}$

Let a = 5,

Let b = 5,

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$\frac{5 \times 10}{2 \times 5}$

$= \frac{50}{10}$

$= 5$

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