At the Blood Bank, they know that O+ blood is the most common blood type and that 40% of the people are known to have O+ blood. Blood type A- is a very scarce blood type and only 6% of the people have A- blood. Half of the people have blood type A or B. Let: X= number of people who have blood type O+ Y= number of people who have blood type A- Z= number of people who have blood type A or B a) Consider a random sample of n=9 people who donated blood over the past three months. The expected number of people with blood type O+ is and the expected number of people with blood type A- is Calculate the following probabilities: P(X=5)= __________ Round your answer to 4 decimal places. P(X>2)= __________ Round your answer to 4 decimal places. b) Consider a random sample of n=40 people who donated blood over the past three months. Use the relevant probability function of Y to calculate the probability that 2 people in the random sample will have type A- blood. ________ Round your answer to 4 decimal places. c) Consider a random sample of n=22 people who donated blood over the past three months. The standard deviation of Z is: _______ Round your answer to 4 decimal places. The distribution of Z is: __________ (Choose all the applicable options) Discrete Skew to the right Continuous Skew to the left Binary Symmetric
At the Blood Bank, they know that O+ blood is the most common blood type and that 40% of the people are known to have O+ blood. Blood type A- is a very scarce blood type and only 6% of the people have A- blood. Half of the people have blood type A or B. Let: X= number of people who have blood type O+ Y= number of people who have blood type A- Z= number of people who have blood type A or B a) Consider a random sample of n=9 people who donated blood over the past three months. The expected number of people with blood type O+ is and the expected number of people with blood type A- is Calculate the following probabilities: P(X=5)= __________ Round your answer to 4 decimal places. P(X>2)= __________ Round your answer to 4 decimal places. b) Consider a random sample of n=40 people who donated blood over the past three months. Use the relevant probability function of Y to calculate the probability that 2 people in the random sample will have type A- blood. ________ Round your answer to 4 decimal places. c) Consider a random sample of n=22 people who donated blood over the past three months. The standard deviation of Z is: _______ Round your answer to 4 decimal places. The distribution of Z is: __________ (Choose all the applicable options) Discrete Skew to the right Continuous Skew to the left Binary Symmetric
Chapter6: Systems Of Equations And Inequalities
Section: Chapter Questions
Problem 17PS: Cholesterol Cholesterol in human blood is necessary, but too much can lead to health problems. There...
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At the Blood Bank, they know that O+ blood is the most common blood type and that 40% of the people are known to have O+ blood. Blood type A- is a very scarce blood type and only 6% of the people have A- blood. Half of the people have blood type A or B.
Let:
- X= number of people who have blood type O+
- Y= number of people who have blood type A-
- Z= number of people who have blood type A or B
a) Consider a random sample of n=9 people who donated blood over the past three months.
- The expected number of people with blood type O+ is and the expected number of people with blood type A- is
- Calculate the following probabilities:
- P(X=5)= __________ Round your answer to 4 decimal places.
- P(X>2)= __________ Round your answer to 4 decimal places.
b) Consider a random sample of n=40 people who donated blood over the past three months.
Use the relevant probability
________
Round your answer to 4 decimal places.c) Consider a random sample of n=22 people who donated blood over the past three months.
- The standard deviation of Z is: _______ Round your answer to 4 decimal places.
- The distribution of Z is: __________ (Choose all the applicable options)
- Discrete
- Skew to the right
- Continuous
- Skew to the left
- Binary
- Symmetric
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