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Progress saved Done 日石 Question 5 < > 0/3 pts 100 Deta A survey shows that about 60% of those over the age of 65 years o
Posted: Wed Jul 06, 2022 11:46 am
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Question 5 < > 0/3 pts 100 Deta A survey shows that about 60% of those over the age of 65 years old are in danger of catching COVID-19. If 10 persons over the age of 65 are randomly selected, answer the following
questions: Round all final answers to 3 decimal places and express answers in decimal form (i.e. 0.003 instead of 0.300%) a. What is the probability exactly 4 of the 10 have COVID-19? b. What is the probability at most 1 of the 10 has COVID-19? (Hint: "at most 1" means 0 or 1) c. What is the probability at least 2 of the 10 have COVID-19? (Hint: "at least 2" is the complement of "at most 1").
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