3. Assume that the wait time to see your family doctor is uniformly distribution been 10 and 30minutes.A. What's the probability you wait more than 20 minutes to see your family doctor?B. What's the probability you less than 15 minutes to see your family doctor?C. What's the probability you wait between 20 and 25 minutes?

It is given that the wait time follows uniform distribution with a=10 and b=30.

Answered: 3. Assume that the wait time to see…

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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The reported cancer rates for men ages 65 and older is 23%. Assume this estimate is the true population proportion of men ages 65 and older who have been diagnosed with some form of cancer. A SRS of 25 men ages 65 and older is taken. Calculate the probability that proportion of men ages 65 and older who have been diagnosed with some form of cancer is more than 0.30. (The answer has to be either A or B) A. 0.2033 B. 0.2236
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What is the probability of rolling two dice and having either a sum of 4 or having the same value on both dice? Express your answer as a decimal probability to two decimal places (not a percentage probability).
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80. The World Bank records the prevalence of HIV in countries around the world. According to their data, "Prevalence of HIV refers to the percentage of people ages 15 to 49 who are infected with HIV."1 In South Africa, the prevalence of HIV is 17.3%. Let X = the number of people you test until you find a person infected with HIV. a. Sketch a graph of the distribution of the discrete random variable X. b. What is the probability that you must test 30 people to find one with HIV? c. What is the probability that you must ask ten people? d. Find the (i) mean and (ii) standard deviation of the distribution of X.
1. You want to test to see if the claim is correct. A math teacher claims the probability that a person picked at random in Philadelphia is visiting the city is less than 40%.
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In statistics test, students finish the test in between 80 minutes, at earliest, and 120 minutes, at latest. What is the probability that the next student will finish the test between 85 and 95 minutes. Assume a uniform distribution..
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5. On average, there are 2 car thefts every 10 square kilometers during the course of a month in Shanghai. a. What is the probability that there will be no car thefts in a 10 square kilometer area next month? b. What is the probability that there will be 1 car theft in a 20 square kilometer area?

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