Concept explainers
(a)
To find: To find someone of Type AB blood, the numbers of donors must be confirmed.
(a)
Answer to Problem 15E
25
Explanation of Solution
Given:
p the probability of a individual getting blood type AB
X is the AB blood donor already identified
Formula used:
Calculation:
The expected value is,
The estimated number of persons to check for type AB blood is also 25.
(b)
To find: The possibility of the Type AB donor checking among the 1st 5 individuals.
(b)
Answer to Problem 15E
0.185
Explanation of Solution
Given:
p the probability of a individual getting blood type AB
X is the AB blood donor already identified
Calculation:
It is possible that among the first five persons examined there is an AB type donor,
It is also likely that 18.5% of the first five persons tested would have a type AB donor.
(c)
To find: The probability of the first Type AB donor in the first six individuals being identified.
(c)
Answer to Problem 15E
0.2172
Explanation of Solution
Given:
p the probability of a individual getting blood type AB
X is the AB blood donor already identified
Calculation:
In the first six people tested, the likelihood is that the donor type AB is identified
There is also a 21.72% probability that the AB donor is among the first persons to be tested.
(d)
To find: The probability of not having a donor of Type AB before the tenth individual.
(d)
Answer to Problem 15E
0.693
Explanation of Solution
Given:
p the probability of a individual getting blood type AB
X is the AB blood donor already identified
Calculation:
Let Y be an AB blood donor not previously identified in the trail.
The probability that the blood donor type AB was not identified until the 10th person is,
The likelihood that the blood donor type AB was unknown until the 10th individual is therefore 0.693
Chapter 17 Solutions
Stats: Modeling the World Nasta Edition Grades 9-12
Additional Math Textbook Solutions
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