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Pre-algebra

Ron Larson, Laurie Boswell, Timothy D. Kanold, Lee Stiff

$Math Studyset Vaia Explanations$ Math

Common Core Edition · 183 pages

ISBN: 9780547587776

Chapter 7: Q5. (page 346)

In example 2, suppose that there are 10 finalists. What is the probability that you will win? Write your answer as a percent.

Short Answer

Expert verified

The probability of wining is 10%.

Step by step solution

01

Step 1. Given Information.

It is given that, there are 10 finalists.

02

Step 2. Formula used.

Probability:

$P = \frac{favorable outcome}{total outcome}$

03

Step 3. Find the probability of winning.

To calculate the probability of winning, there are 10 possible outcomes, and 1 outcome is favorable.

$\begin{matrix} P (of winning) = \frac{favorable outcome}{total outcome} \\ = \frac{1}{10} \end{matrix}$

Therefore the probability of winning is $\frac{1}{10}$ .

04

Step 4. Convert the obtained fraction form into percent.

Multiply $\frac{1}{10}$ by 100% to convert the fraction form in percent.

$\begin{matrix} P (of winning) = \frac{1}{10} \times 100 % \\ = 10 % \end{matrix}$

05

Step 5. Conclusion.

The probability of wining is 10%.

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Most popular questions from this chapter

Write the percent as a fraction in simplest form, or write the fraction as a percent.

$\frac{9}{10}$

Evaluate the expression when $k = 20$ .

$40 % of k$

Write the fraction as a percent.

$\frac{9}{20}$

Write the percent as a fraction in simplest form, or write the fraction as a percent.

$\frac{4}{25}$

Solve the proportion.

$\frac{r}{6} = \frac{10.5}{9}$

See all solutions

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