A lie detector test has a probability of 0.95 for giving a positive result when tested upon a person who is telling a lie.A positive result implies the person is lying. The detector has a probability of 0.10 of giving a positive result whentested upon a person telling the truth. It is estimated that 25% of the population is dishonest. What is theprobability that a random person is dishonest if the test is positive.O 0.760.860.50O 0.95A 2-dimensional Gausslan distribution has mean [1, 1)" and identity covariance matrix. Which of the followingequations gives the contours of equal probabilityO (#1 – 1)? + (#2 – 1) - constant○+주-constant○후+를- comstantO r? + x = constant%3D

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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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Suppose a lung cancer test is 85% sensitive and 93% specific. That is, the test will produce 85% true positive results for those with lung cancer and 93% true negative results for those without lung cancer. Suppose that 3.2% of people actually have lung cancer. If a randomly selected individual tests positive, what is the probability he or she does not have cancer? YOUR ANSWER SHOULD BE BETWEEN O AND 100 AND ROUNDED To 4 DECIMAL PLACES. (e.g. 59.5321 would be 59.5321%)
Use the information provided below to answer 1 and 2.Fifteen percent of the products produced by an industrial robot are known to be defective. A quality-control inspectorrandomly selects 6 products from a production run.1. What is the probability that at least two of the products selected by the quality-control inspector are defective?A 0.3772B 0.7765C 0.2235D 0.3993 2. Determine the probability of that between two and four (inclusive) of the products selected by the quality-controlinspector are defective.A 0.1762B 0.7133C 0.2176D 0.2231
The class I'm taking is statistics! I am completely stuck. Need help. I have attached the problem. Please view attachment before answering. I need help with part D. thank you in advance!
The class I'm taking is statistics! I am completely stuck. Need help. I have attached the problem. Please view attachment before answering. Thank you!
The probability that a randomly selected adult has ever experienced a migraine headache is 0.4.11 adults are randomly selected. a. What is the probability that exactly 2 adults have experienced a migraine headache? Round to four decimal places if necessary b. What is the probability that none of them have experienced a migraine headache? Round to four decimal places if necessary c. What is the probability that at most one has experienced a migraine headache? b. What is the probability that none of them have experienced a migraine headache? Round to four decimal places if necessary c. What is the probability that at most one has experienced a migraine headache? Round to four decimal places if necessary d. How many adults would you expect to have experienced a migraine headache? Round to the nearest whole number
ANSWER D ONLY
.............
Assume that 38.2% of people have sleepwalked. Assume that in a random sample of 1540 adults, 629 have sleepwalked. a. Assuming that the rate of 38.2% is correct, find the probability that 629 or more of the 1540 adults have sleepwalked. b. Is that result of 629 or more significantly high? c. What does the result suggest about the rate of 38.2%?
Assume that 26.6% of people have sleepwalked. Assume that in a random sample of 1517 adults, 418 have sleepwalked. a. Assuming that the rate of 26.6% is correct, find the probability that 418 or more of the 1517 adults have sleepwalked. b. Is that result of 418 or more significantly high? c. What does the result suggest about the rate of 26.6%?
It has been observed that 23% of all new cars sold by a dealership were white. A study was conducted of 100 new cars sold in the past month. What is the probability that fewer than 20 sold were white? 0.0631 0.2047 0.2811 O correct answer is not given

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