A light bulb manufacturing factory finds 3 in every 60 light bulbs defective. What is the probability that the first defective light bulb with be found when the 3-rd one is tested?
Q: A test for a certain disease has a probability of 0.92 of detecting the disease when it is present…
A: We have given that P( disease) = 0.70P( no disease) = 0.30P( positive | disease) = 0.92P( positive |…
Q: Assume that when adults are randomly selevted, 21% do not require vision correction Q. If 20 adults…
A:
Q: The National Health Examination Survey reported that in a sample of 13,546 adults, 6638 had high…
A: The probability of an event is calculated by dividing the number of ways the event can occur by the…
Q: The probability of a randomly selected adult in one country being infected with a certain virus is…
A:
Q: In a dental study on children it was found that the probability of the child population having any…
A: P(C) = p = 2/3 P(Not C) = q = 1-p= 1/3
Q: Suppose that 1 out of 1000 people tin a population have a particular disease. A test is developed…
A: It is given that 1 out of 1000 people in a population have a particular disease.
Q: andora Radio has determined that the probability of a user liking a new song enough to give a…
A: Given: Number of trials (n) = 586 Probability of thumbs up (success) = p = 0.6939 Let X be the…
Q: Suppose the probablility of a part functioning correctly in a copy machie is 0.98. If the machine…
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Q: A survey showed that 72% of adults need correction (eyeglasses, contacts, surgery, etc.) for their…
A:
Q: The probability of a radar station detecting an enemy plane is 0.55. If 60 stations are in use, what…
A: The binomial distribution is given by, P(X=x) = Cxn . px . qn-x ; x = 0, 1, 2, ....…
Q: What is the probability that from the sample, less that 80.5% of them own a cell phone? 0.2033 What…
A: Let p be the population proportion of adults who own cell phones. Given that, Population proportion…
Q: The probability that a randomly selected 29-year old male will survive the year is 0.998135…
A:
Q: There is a .65 probability of someone passing the certification exam for public health…
A: Given Information: There is a 0.65 probability of someone passing the certification exam for public…
Q: A certain virus infects 5% of the population . A test used to detect the virus in a person is…
A: Given that: A certain virus infects 5% of the population. Let “A” be the event infected by the virus…
Q: A recent study suggested that 70% of all eligible voters will vote in the next presidential…
A: Given Information: 70% of all eligible voters will vote in the next presidential election i.e., p =…
Q: The National Health Examination Survey reported that in a sample of 13,546 adults, 6638 had high…
A: Probability is equal to the number of favorable outcomes divided by the total number of possible…
Q: A recent survey of 1090 U.S. adults selected at random showed that 685 consider the occupation of…
A: The question is about prop. Given : Randomly selected no. of adults ( n ) = 1090 No. of adults…
Q: The first product of a test run was inspected and found to be non-defective. What is the probability…
A: Let us define some events A : the machine is correctly tuned. B : the machine is not correctly…
Q: A survey showed that 78% of adults need correction (eyeglasses, contacts, surgery, etc.) for their…
A: From the given information we find the probability that no more than 1 of the 19 adult require…
Q: In an experimental study in the Philippines, citizens with a certain blood type volunteer for a test…
A: If each trial has only two possible outcomes, i.e., success and failure, the probabilities of…
Q: A sample preparation for a chemical measurement is completed correctly by 25% of the lab…
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Q: Assume that the incidence of the HIV virus in a particuar population is 4% and that the test…
A: Let us denote A= actually has the virus T=tested positive Given that P(A)=4%=0.04 P(T|A)=90%=0.90…
Q: An online vendor of high-end hiking apparel meticulously tracks the number of clicks on its website.…
A: Given information: Clicks occur completely randomly with an average of 342 clicks per minute.
Q: The risk of a hematoma among alcoholics without cirrhosis of the liver is 24%. Suppose we observe 7…
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Q: A recent survey of 1010 U.S. adults selected at random showed that 685 consider the occupation of…
A: We have to find given probability that a U.S. adult selected at random thinks the occupation of…
Q: A test for a certain disease has a probability of 0.92 of detecting the disease when it is present…
A:
Q: An instrument for testing contaminated particles experiences errors 4 times on average during a…
A: Given Data: Let X represent the number of errors during 4-hour session X~ Poi(4) Let Y represent…
Q: A company recruits 750 men under the age of 55. Suppose that 35% carry a marker on the male…
A: Givenp=0.35n=15x~Binomial(n=15,p=0.35)P(X=x)=(nx)×px×(1-p)n-x ; x=0,1...,n
Q: A boy has 4 point-ball pens and 4 pockets. He chooses a pen randomly and then he puts it to a pocket…
A: In this case, it is mentioned that there are 4 point-ball pen.
Q: Q.It has been found that on an average the number of mistakes per typed page of a typist is 1.5.…
A:
Q: On average, 8.6 rooms stay vacant per day at a large hospital, Find the probability that on a given…
A: Given: Average number of rooms vacant per day λ=8.6. Let X be the Poisson random variable…
Q: all pens are in
A: Given: Number of point ball pens = 4 Number of pockets = 4 Total number of ways pens can be put in…
Q: Suppose that asthma affects 1 in 20 children in a population. We decide to redo the survey and now…
A:
Q: Suppose that asthma affects 1 in 20 children in a population. You take an SRS of 50 children from…
A: It is given that asthma effects 1 in 20 children in a population. Let the random variable X denotes…
Q: A survey showed that 80% of adults need correction (eyeglasses, contacts, surgery, etc.) for their…
A: n=16P=0.8
Q: A farmer has planted 11 new lemon trees of a special breed where the probability that the tree will…
A: Obtain the probability that less than 3 trees remain without fruits by the end of the upcoming…
Q: A scientist inoculates several mice, one at a time, with a disease germ until he finds 3 that have…
A: Obtain the probability that X equals 10. The probability that X equals 10 is obtained below as…
Q: Ahmed tossed the coin 60 times and they landed on two heads 12 times. What is Ahmeds experimental…
A: We have to find experimental probability of getting two heads...
Q: A geneticist constricts an experiment with peas, one sample of offspring consisted of 460 green peas…
A:
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- A random sample of two Americans is selected. What is the probability that both will have type O blood?The fraction of a large population that has a specific blood type T is .08 (8%). For blood donation purposes it is necessary to find 4 people with type T blood. If randomly selected individuals from the population are tested one after another, then (a) What is the probability y persons have to be tested to get 5 type T persons, and (b) What is the probability that over 80 people have to be tested?A recent survey of 1010 U.S. adults selected at random showed that 647 consider the occupation of firefighter to have very great prestige. Estimate the probability (to the nearest hundredth) that a U.S. adult selected at random thinks the occupation of firefighter has very great prestige.
- It has been found from experience that there is an average of five faults per 50 metres of cloth produced by a linen factory. If we randomly select 50 metres of cloth, what is the probability that there will be more than two faults?A recent survey of 1030 U.S. adults selected at random showed that 627 consider the occupation of firefighter to have very great prestige. Estimate the probability (to the nearest hundredth) that a U.S. adult selected at random thinks the occupation of firefighter has very great prestige.In a specific type of electronic card, the probability of a transistor being defective is 0.01. Let's assume there are 200 transistors on the electronic card. If there are no defective transistors, the electronic card is considered to be functioning. What is the probability of any electronic card not functioning?
- The United States Postal Service reports 95% of first class mail within the same city is delivered within 2 days of the time of mailing. Six letters are randomly sent to different locations. What is the probability that less than 2 arrive within 2 days?A survey showed that 74% of adults need correction (eyeglasses, contacts, surgery, etc.) for their eyesight. If 18 adults are randomly selected, find the probability that no more than 1 of them need correction for their eyesight. Is 1 a significantly low number of adults requiring eyesight correction? The probability that no more than 1 of the 18 adults require eyesight correction is (round to three decimal places as needed)Assume a students alarm clark has a 13.4% daily failure rate, what is the probability that 2 alarm clocks will fail on the morning of an important final exam
- It was found that among Kenyans 22% have Blood type AB. What is the probability that exactly 5 out of 12 randomly selected Kenyans will have blood type ABA recent survey of 1050 U.S. adults selected at random showed that 647 consider the occupation of firefighter to have very great prestige. Estimate the probability (to the nearest hundredth) that a U.S. adult selected at random thinks the occupation of firefighter has very great prestige.