Question
According to a study, 80% of K-12 schools or districts in a country use digital content such as ebooks, audio books, and digital textbooks. Of these 80%, 6 out of 10 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.
253
likes1266 views
Answer to a math question According to a study, 80% of K-12 schools or districts in a country use digital content such as ebooks, audio books, and digital textbooks. Of these 80%, 6 out of 10 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.
Jayne
4.496 Answers
P(A and B) = P(A) * P(B | A)
Substituting the given values:
P(A and B) = 0.8 * 0.6 = 0.48
Therefore, the probability that a randomly selected school or district uses digital content and uses it as part of their curriculum is 0.48
Frequently asked questions (FAQs)
What is the measure of angle x if angle x and angle y are vertical angles and angle y measures 120 degrees?
+
What is the dot product between vectors A = [2, -3] and B = [4, 5]?
+
What is the slope of a linear function that passes through (3, 5) and (8, 9)?
+
New questions in Mathematics