12. Pet Allergies An analyst claims that about 70% of U.S. households own either : cat or a dog, and an estimated 10% of the U.S. population is allergic to animals. a. What is the probability that exactly 1 person in a class of 20 students owns either a cat or a dog? (Assume that no two students in the class come from the same household.) b. What is the probability that at most 3 students in a class of 20 students are allergic to animals?
12. Pet Allergies An analyst claims that about 70% of U.S. households own either : cat or a dog, and an estimated 10% of the U.S. population is allergic to animals. a. What is the probability that exactly 1 person in a class of 20 students owns either a cat or a dog? (Assume that no two students in the class come from the same household.) b. What is the probability that at most 3 students in a class of 20 students are allergic to animals?
Related questions
Question
12 a. put in scientific notation!
12b. round to nearest thousandth
Transcribed Image Text:12. Pet Allergies An analyst claims that about 70% of U.S. households own either a
cat or a dog, and an estimated 10% of the U.S. population is allergic to animals.
a. What is the probability that exactly 1 person in a class of 20 students owns
either a cat or a dog? (Assume that no two students in the class come from
the same household.)
b. What is the probability that at most 3 students in a class of 20 students are
allergic to animals?
Expert Solution
Step 1
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
