The Philippine Red Cross says that about 11% of PH population has Type B blood. A blood drive is being heldat your school.What is the probability that exactly 2 of the first 20 blood donors have Type B blood?[Select]Given this sample of blood donors, compute the expected number who have Type B blood.[Select]

Answered: Image /qna-images/answer/fbb018f8-41a4-45c3-a101-ab713a2ce1ba.jpg

Answered: The Philippine Red Cross says that…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Similar questions

In a certain high school, the probability that a student drops out is 0.1, and the probability that a dropout gets a high-school equivalency diploma (GED) is 0.25. What is the probability that a randomly selected student gets a GED?
According to a 2009 Reader's Digest article, people throw away about 11% of what they buy at the grocery store. Assume this is the true proportion and you plan to randomly survey 79 grocery shoppers to investigate their behavior. What is the probability that the sample proportion does not exceed 0.18?Note: Calculate z to two decimal places.Answer = (Enter your answer as a number accurate to 4 decimal places.)
A quality control inspector has drawn a sample of 19 light bulbs from a recent production lot. If the number of defective bulbs is 1 or more, the lot fails inspection. Suppose 10% of the bulbs in the lot are defective. What is the probability that the lot will fail inspection? Round your answer to four decimal places.
According to the recent report, scientists in New England say they have identified a set of genetic variants that predicts extreme longevity with 77% accuracy. Assume 150 patients decide to get their genome sequenced. If the claim by scientists is accurate, what is the probability that fewer than 70% of the patientswill get a correct diagnosis for extreme longevity? Group of answer choices A. 0.1422 B. 0.0722 C. 0.2214 D. 0.0208
An insurance company estimates the probability of an earthquake in the next year to be 0.0013. The average damage done by an earthquake is estimated to be $60,000. If the company offers earthquake insurance for $100, what is their expected value of the policy?
It is estimated that one in twenty-five Americans is a cystic fibrosis carrier. Find the probability that a randomly selected American couple's child will have cystic fibrosis (assuming that they are unrelated). (Enter your answer to four decimal places.)
A quality control inspector has drawn a sample of 1212 light bulbs from a recent production lot. If the number of defective bulbs is 22 or more, the lot fails inspection. Suppose 20%20% of the bulbs in the lot are defective. What is the probability that the lot will fail inspection? Round your answer to four decimal places.

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