onTime left 3:45:26Samples of emissions from three suppliers are classified for conformance to air-quality specifications. The results from 37543 samples are summarized in thefollowing table. Let A denote the event that a sample is from supplier 1, and let B denote the event that a sample conforms to specifications. Determine theprobability of (Au B9. NOTE: give your answer to 6 decimal places. Example: "2.000000" (not simply "2").Hideconformsyesno141055608supplier266485417390186747Answer:

Answered: Image /qna-images/answer/2bc4e434-c47f-4bc6-81f1-a87db70b7331.jpg

Answered: on Time left 3:45:26 Samples of…

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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The useful life of an electrical component is exponentially distributed with a mean of 4,000 hours. a. What is the probability the circuit will last more than 4,750 hours? b. What is the probability the circuit will last between 4,000 and 4,250 hours? c. What is the probability the circuit will fail within the first 3,750 hours?
Please help me solve this statistics problem from my lecture. Thank you.
4. The time between calls to a plumbing supply business is exponentially distributed with a mean time between calls of 15 minutes. What is the probability that there are no calls within a 30-minute interval?
A random sample of 10 young men was taken and the heart rate (HR) of each young man was measured before and after taking a cup of caffeinated coffee. The results are (beats/min.) Use the information in the table to answer the questions.Subject HR before HR after1 68 74 2 64 68 3 52 60 4 76 72 5 78 76 6 62 68 7 66 72 8 76 76 9 78 8010 60 64a) Does caffeinated coffee have any effect on the heart rate of young men? Let level α = 0.05.b) As a public health specialist, write a brief report explaining your results above
A professor sees students during regular office hours. Time spent with students follows an exponential dis- tribution with a mean of 10 minutes. Find the probability that a given student spends fewer than 20 minutes with the professor. Find the probability that a given student spends more than 5 minutes with the professor. Find the probability that a given student spends between 10 and 15 minutes with the professor.
The NIH is creating a test for the Zika virus. The incidence of a Zika is low, 11 percent in the general population. There is a trial version, but it sometimes misses the disease. The probability of a false negative is 0.03. Similarly, someone who does not have Zika, will sometimes get a positive reading. The probability of this is 0.1. Fill in the tree diagram and... Answer as a decimal to 4 decimal places. D = event that someone actually has Zika %3D positive = event that a test states that a person has Zika Conditional Marginal Probabilities Joint Probabilities Probabilities 0.9700 Enter an integer or decimal number [more..] P(D and positive) P(positive | D) False 0.1100 0.0300 negative P(D) P(negative | D) P(D and negative) 0.1000 False Positive 0.8900 P(no D) P(positive | no D) P(no D and positive) 0.9000 P(negative | no D) P(no D and negative)
Cody took his first physics exam and scored an 80. The population mean for this exam is 70, and the standard deviation is 5. What is the probability of selecting a person with a score greater than Cody’s?
The NJ Department of Health has reported the average life span of NJ residents is 81 years. If the standard deviation is σ = 4 years, what is the probability of a person living to at least 92 years of age?
Find the indicated probability and interpret the result. From 1975 through 2020, the mean annual gain of the Dow Jones Industrial Average was 651. A random sample of 32 years is selected from this population. What is the probability that the mean gain for the sample was between 400 and 700? Assume o = 1540. The probability is (Round to four decimal places as needed.)
A study was conducted to examine the impact of speaking in public on college students. A class of 15 students participated in the study. At the beginning of a lecture the students recorded their systolic blood pressure. During the lecture the instructor called on each student to stand and answer questions about topics in the lecture. After speaking the students once again recorded their blood pressure. The resulting values are given below along with summary statistics. We are interested if the blood pressure increased because of speaking. Provide the test statistic value in the box below. Use 3 decimal places. Mean SD Before 125.3 15.03 After 127.9 15.5 Difference (Before - After) -2.6 14.87

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