The Australian Red Cross states that 46% of the population have type O blood. a) Amongst 6 random blood donors, what is the probability that: (round to 4 decimals) i) none of the donors have type O blood? ii) exactly 2 donors are type O? iii) no more than 4 donors will be type O?
The Australian Red Cross states that 46% of the population have type O blood. a) Amongst 6 random blood donors, what is the probability that: (round to 4 decimals) i) none of the donors have type O blood? ii) exactly 2 donors are type O? iii) no more than 4 donors will be type O?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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Transcribed Image Text:The Australian Red Cross states that 46% of the population have type O blood.
a) Amongst 6 random blood donors, what is the probability that: (round to 4 decimals)
i) none of the donors have type O blood?
ii) exactly 2 donors are type O?
iii) no more than 4 donors will be type O?
b) For 300 random donors,
i) how many would you expect to have type O blood? μ =
ii) what is the probability that less than 122 people are type O? (round to 3 decimals)
Standard deviation o =
P(X < 122) = P(z <
)
=
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