A total of 10 patients are diagnosed in a Ward. However, almost 20% of the diagnosed patients are positive with covid-19. a) What is the probability that only 2 patients are positive with covid-19? (5 marks) b) What is the probability that at least 7 patients are positive with covid-19? (5 marks)
Added by Amira
Step 1
The problem states that 20% of the diagnosed patients are positive with COVID-19. This suggests a binomial distribution since each patient either tests positive or negative (two outcomes), and each test is independent of the others. The parameters for the binomial Show more…
Show all steps
Close
Your feedback will help us improve your experience
Robin Corrigan and 77 other Intro Stats / AP Statistics educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
97% of Dr. William's patients end up with 20-30 vision or better. Find the probability that exactly 3 of her next 6 patients end up with 20-30 vision or better. The probability is . (Round to four decimal places as needed.)
Robin C.
20% of 10=
Nick J.
The probability that a patient recovers from a stomach disease is 0.8. If 20 people are known to have contracted this disease, then the probability that exactly 10 recover is:
Ahmet Y.
Recommended Textbooks
Elementary Statistics a Step by Step Approach
The Practice of Statistics for AP
Introductory Statistics
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD