Question: hello, could you please explain question 69 and 70 please According to the American Red Cross, 40% of Asian-Americans have type O blood and 2%

hello, could you please explain question 69 and 70 please

According to the American Red Cross, 40% of Asian-Americans have type O blood and 2% of Asian-Americans have Rh-negative blood. Of the Asian-Americans with type O blood, 2.5% have Rh-negative blood. What is the probability that someone from this population has O negative blood? (Answers have been rounded to three decimal places.)

70. According to the American Red Cross, 10% of Hispanic-Americans have type B blood and 93% of Hispanic-Americans have Rh-positive blood. Of the Hispanic-Americans with Rh-positive blood, 9.7% have type B blood. What is the probability that someone from this population has B positive blood? (Answers have been rounded to three decimal places.)

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