Question

according to a study, 71% of k-12 schools or districts in a country use digital content such as ebooks, audio books, and digital textbooks. of these 71%, 8 out of 20 use digital content as part of their curriculum. find the probability that a randomly selected school or district uses digital content and uses it as part of their curriculum.

the probability that a randomly selected school or district uses digital content and uses it as part of their curriculum is .
(round to three decimal places as needed.)

Explanation:

Define events and given probabilities

Using the Multiplication Rule for Probability and Joint Probability Calculation knowledge points

$$
LATEXBLOCK0
$$

Calculate the joint probability

Using the Multiplication Rule for Probability and Joint Probability Calculation knowledge points

$$
LATEXBLOCK1
$$

Answer:

According to a study, 71% of K-12 schools or districts in a country use digital content such as ebooks, audio books, and digital textbooks. Of these 71%, 8 out of 20 use digital content as part of their curriculum. Find the probability that a randomly selected school or district uses digital content and uses it as part of their curriculum.

The probability that a randomly selected school or district uses digital content and uses it as part of their curriculum is <blank>0.284</blank>.
(Round to three decimal places as needed.)