Susan took two tests. The probability of her passing bothtests is 0.6. The probability of her passing the first test is0.8. What is the probability of her passing the second testgiven that she has passed the first test?A) 0.48B) 0.75C) 0.45D 0.36

Susan took two tests. The probability of her passing both tests is 0.6. The probability of her…

Answered: 0.8. What is the probability of her…

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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Q4. Researchers developed a "dog IQ test" and find that the population of dogs in the United States has a mean score of µ = 20 on this test with a standard deviation of σ = 2. You decide to test a sample of n = 40 dogs to do some research about whether some breeds are smarter. You decide to first test your own dog (or your closest friend's or family member's, if you don't have one). What is the probability that your dog will score an "dog IQ" greater than 25 (which is the cut-off for "Doggie Genius")?
Q3 Suppose that a chemical laboratory test to detect a certain disease has the following statistics, Let E= {event that the tested person has disease } K = {event that the test result is positive } It is known that P (K\E)= 0,95 and P(K\E)=0,003 and 0,2 percent of the population actually has the disease. What is the probability that a person has the disease given that the test result positive? Solve by Bayer's Rule. You calculate four decimal points.
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please show the step by step solution and provide an explanation on why that is the right answer.
2. Wallace figures his chances of getting a new car for graduation at 70% if he graduates as class valedictorian. He only has about a 25% chance of getting a new car if he graduates 2nd or lower. He estimates his chances of being valedictorian at 50/50. What is the likelihood that Wallace will get a new car?
What is the probability that Z is between −1.58 and 1.84? The probability that Z is between −1.58 and 1.84 is _________
A sales representative in the music section of Best Buy notes that 15 percent of her customers buy 'The Best of Norah Jones' and 'Classical Guitar by John Williams'. She also knows that 80 percent of customers buy 'Classical Guitar by John Williams'. Given that one of her customers bought 'Classical Guitar by John Williams', what is the probability that the customer will also buy 'The Best of Norah Jones'? (Round your answer to 3 decimal places) 0.800 0.150 0.650 0.188 None in the list

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0.8. What is the probability of her passing the second test given that she has passed the first test?