16. What is the probability that at least one of the five randomly selected Chinese people has Rh- blood? **Blood Types and Probabilities**Blood types can be classified as either Rh+ or Rh-. According to the Information Please Almanac, 95% of the Chinese population has Rh+ blood.**Question 15:** What is the probability that five randomly selected Chinese people have Rh+ blood?*Answer:* 0.7738**Question 16:** What is the probability that at least one of the five randomly selected Chinese people has Rh- blood?*Answer:* To be calculated (the text indicates some scribbles which suggest a probability calculation but is not fully clear. Typically, for the complementary probability, one might use \(P(\text{at least one Rh-}) = 1 - P(\text{none Rh-})\,\))

Answered: Image /qna-images/answer/c1e757ef-78b6-48e3-b583-cb3067a72d0f.jpg

Answered: 16. What is the probability that at…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Assume that four adults are randomly selected without replacment from the 258,343,280 adults in the United States. Also, assume that 12.5% of adults in the United States use drugs. Find the probability that four selected adults all use drugs. Note: You will need to round to six decimal places.
7. On average, 4 emails are received per hour. What is the probability of receiving at least 6 emails in the next hour?
) The percentage of students at a college that have internet connection at home is 80%. In a random sample of 152 students, what is the probability that more than 38 students have the internet connection at home
4. Last semester 80% of MTH 225 students were in good standing heading into the final exam (i.e. current grade % was at least 70%). 85% of the students in good standing heading into the final exam scored 65% or better on the final (i.e. passed). Only 10% of students not in good standing scored passed the final exam. (a) What is the probability a randomly selected student passed the final exam? (b) Given that a student passed the final exam, what is the probability the student was in good standing heading into the final exam?
5. A new type of car tires is released on the market with rate of tire cracking: on average one crack every 2000km. (a) What is the probability that a randomly chosen tire will cover a distance of 500km without a single crack? (b) How many tires are expected to have two ore more cracks within a distance of 500km?
9. Assume that when adults with smartphones are randomly selected, 47% use them in meetings or classes. If 9 adults smartphone users are randomly selected, find the probability that is exactly 3 of them use their smartphones in meetings or classes. What is the probability? Round to four decimal places.

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