a. What is the probability that a person who has booked a donation appointment will not attend for donation? Note: not attending can be due to either cancelling or not showing up without cancellation. b. 20 people have already booked appointments for donation for next Monday's clinic. What is the probability that 5 of them will not attend for donation? c. 60 people have already made appointments for next Saturday. What is the probability that 8 of them will not attend for a donation? Hint: Use Poisson approximation to Binomial.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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3. Historical data show that 8% of donors who book an appointment to donate blood in a clinic
in Ottawa cancel their appointments and 3% do not show up (without cancelling their
appointments).
a. What is the probability that a person who has booked a donation appointment will not attend
for donation?
Note: not attending can be due to either cancelling or not showing up without
cancellation.
b. 20 people have already booked appointments for donation for next Monday's clinic. What is
the probability that 5 of them will not attend for donation?
c. 60 people have already made appointments for next Saturday. What is the probability that 8
of them will not attend for a donation? Hint: Use Poisson approximation to Binomial.
Transcribed Image Text:3. Historical data show that 8% of donors who book an appointment to donate blood in a clinic in Ottawa cancel their appointments and 3% do not show up (without cancelling their appointments). a. What is the probability that a person who has booked a donation appointment will not attend for donation? Note: not attending can be due to either cancelling or not showing up without cancellation. b. 20 people have already booked appointments for donation for next Monday's clinic. What is the probability that 5 of them will not attend for donation? c. 60 people have already made appointments for next Saturday. What is the probability that 8 of them will not attend for a donation? Hint: Use Poisson approximation to Binomial.
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