QUESTION 13A smoke-detector system uses three devices, A, B and C. If smoke is present, the probability that it will be detected by device A is 0.94; by device Bis 0.93; and by device C is 0.94. If smoke is present, find the probability that the smoke will be detected by the three devices. Round your answerto 4 decimal places.QUESTION 14A system has three computers. Computer 1 works with a probability of 0.68; computer 2 works with a probability of 0.70; computer 3 works with aprobability of 0.87. Suppose that the operations of the computers are independent of each other. Suppose that the system works only if at least onecomputer is working. What is the probability that the system works? Round your answer to four decimal places.IQUESTION 15The table below shows the estimated blood type distribution of adults in UAE.AB24.8% 22.9%ABOBlood TypePercentage4.4%?What is the probability of selecting an adult with A or O blood type? Round your answer to three decimal places.

As per bartleby guidelines we can solve only first question and rest can be reposted

Answered: A smoke-detector system uses three…

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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An earth-conscious clothing store offers a 15% discount if you bring in a bag full of old clothing to recycle the fabric. The probability that each bag brought in will contain fabric that can actually be recycled is 69%. In a given day, if there are 20 bags of fabric brought in to recycle, calculate the following: Round each answer to 4 decimal places. The probability that at least 9 bags will contain fabric that can be recycled
.l Boost Mobile LTE 6:10 PM A ixl.com You pick a card at random. Without putting the first card back, you pick a second card at random. 6789 What is the probability of picking an odd number and then picking an even number? Simplify your answer and write it as a fraction or whole number. Submit Work it out Not feeling ready yet? These can help: X XL Practice in the app OPEN
Hospitals like to have electricity provided when there is a blackout. Assume that the backup generators fail 38% of the time. Find the probability of a hospital with 2 back up generators failing at the same time. Round to 4 decimal places. Find the probability of at least one generator working during a blackout. Round to 4 decimal places.
A couple plans to have 5 children. Assume that girl and boy births are equally likely. Find the mean number of girls in 5 births. Round your answer to one decimal place, if needed.
The odds in favor of Michael Jordan making a free throw were 21:4. Find the probability of Michale Jordan missing a free throw. Give answer as a decimal to the nearest hundredth.
At LSU the probability that a student takes first semester calculus and first semester physics is 0.6. The probability that a student takes first semester calculus given that the student takes first semester physics is 0.88. Find the probability that a student takes first semester physics.
A researcher administers a treatment to a sample of participants selected from a population with µ = 42. If the sample mean after the treatment is M = 48, which value of standard error, σM will result in the rejection of null hypothesis H0 with p < 0.05, 2-tails test?A. σM = 4B. σM = 3C. σM = 9D. σM = 7
Find the probability of selecting either a non-smoker or a woman when you select a person at random from a group composed of 40 female smokers, 30 male smokers, 29 female non-smokers, and 60 male non-smokers. Give your answer as a percent rounded to the nearest hundreth of a percent
In a large city’s recent mayoral election, 131,506 out of 309,153 registered voters actually turned out to vote. If 20 registered voters are randomly selected, find the probability that 7 of them voted in the mayoral election. Use a TI-83, TI-83 plus, or TI-84 calculator to find the probability. Round your answer to three decimal places.
Approximately 2 percent of Americans ages 50-60 have lung cancer. A patient with lung cancer has a 91 percent chance of a positive test. A patient without lung cancer has a 8 percent chance of a positive test (a false positive result). Complete the table below, then answer the questions below the table. Give all answers as decimals to 4 decimal places. Positive test result Negative test result Total Has lung cancer Does not have lung cancer Total What is the probability a patient has lung cancer given that she just had a positive test? Give answer as decimals to 4 decimal places.

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