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 Aor B a) Consider a random sample ofn = 12 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
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 Aor B a) Consider a random sample ofn = 12 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
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter2: Systems Of Linear Equations
Section2.4: Applications
Problem 27EQ
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