Kay scored above 90% on five of her math quizzes, 80% to 90% on fourteen of them, and 70% to 80% on two of them. What is the exp

Question

Oksana_A [137]

3 years ago

10

Kay scored above 90% on five of her math quizzes, 80% to 90% on fourteen of them, and 70% to 80% on two of them. What is the exp

erimental probability of her scoring from 80% to 90% on her next math quiz?

Mathematics

1 answer:

Leya [2.2K] · Answer 1 · 2022-03-24T17:59:17+03:00

Leya [2.2K]3 years ago

3 0

In total, Kay took 5+14+2=21exams. she got 80%-90% on 14 of them. the probably is 14/21 which is 2/3. Therefore, the probability of Kay getting 80%-90% on her next exam is 2/3 or 66.6%