5 percent of the time for people who do not have the disease. The test gives a negative result 0.3 percent of the time for people who have the disease. Large-scale studies have shown that the disease occurs in about 2 percent of the population. What is the probability that a person selected at random would test positive for this disease?

Q: pollutants, but results in false positives for 18% of cars that emit quantity considered normal.…

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Q: A certain type of missile hits its target with a probability of 0.3. How many missiles should be…

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Q: The probability of a randomly selected adult in one country being infected with a certain virus is…

A:

Q: The probability that a person with certain symptoms has hepatitis is 0.7. The blood test used to…

A: Given that P  ( H ) = 0.7, P (+ve/H ) = 0.95 , P ( + ve / H' ) = 0.05 Find P( H/+ve ) = ?

Q: Enterococci are bacteria that cause blood infections in hospitalized patients. One antibiotic used…

A: given data  P(have resistance to vancomycin) = 0.03resistance to vancomycin means not succesfully…

Q: What is the probability of randomly selecting an adult who has a heart rate between 60 BPM and 70…

A: Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: In one study of calls to 911 in Los Angeles, it was found that 85% of the calls were not…

A: Solution: From the given information, the proportion of the calls were not emergencies is p=0.85 and…

Q: & What is the probability of seeing positive change? What is the probability of seeing positive…

A:

Q: The average monthly grocery bill for an individual is normally distributed with a mean of $85 and a…

A: Solution: Let X be the average monthly grocery bill for an individual is normally distributed with…

Q: A 10-year study conducted by the American Heart Association provided data on how age, blood…

A: The independent variables are Age, Blood pressure and Smoker. The dependent variable is Risk. We…

Q: A Food Marketing Institute found that 50% of households spend more than $125 a week on groceries.…

A: From the given information, it is observed that 50% of households spend more than $125 on groceries.…

Q: Traffic Fatalities and Intoxication: The National Safety Council publishes information about auto…

A: The provided information is as follows:The probability that a traffic facility will involve and…

Q: A study showed that ​69.7% of occupants involved in a fatal car crash wore seat belts. Of those in a…

A:

Q: Identify the two events. A study found that there is no relationship between being around car…

A: Given : A study found that there is no relationship between being around car batteries exposure and…

Q: About 0.5% of adults have nut allergy. The test correctly identifies 94% of the time adults with…

A:

Q: A drug using to treat a particular disease shows 20% failure rate. If we select a sample of 8…

A:

Q: About 13% employed adults in the US held multiple jobs. Random sample of 74 employed adults is…

A: Given, About 13% employed adults in the US held multiple jobs. Random sample of 74 employed adults…

Q: A Food Marketing Institute found that 50% of households spend more than $125 a week on groceries.…

A:

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 farmer said that 2/3 of his apple trees were attacked by fruit flies. If the inspection is carried…

A:

Q: Assume that hybridization experiments are conducted with peas having the property that for…

A: As per our guidelines we are suppose to answer only one question. Given,n=10p=0.75A random variable…

Q: QUESTION 2 It is known that 30% of adult females are experiencing sleep disorder If 17 adult females…

A:

Q: an experimental drug has been shown to be 75% effective in eliminating symptoms of allergies in…

A:

Q: An experimental drug has been shown to be 85% effective in eliminating symptoms of allergies in…

A: We have to find given probability.

Q: manufacturer of aspirin claims that the proportion of headache sufferers who get relief with their…

A: Given data,Probability of success is p=63.8%=0.638If n=430P(X<58.4%)=?

Q: 3. A 3-colour spinner is spun 160 times. The outcomes are shown in this table. What is the…

A:

Q: Note that 5% of the population suffers from a particular disease. There is a diagnostic test to…

A:

Q: An experimental drug has been shown to be 75% effective in eliminating symptoms of allergies in…

A: Obtain the probability that the drug is effective on half of the participants. The probability that…

Q: diagnostic

A:

Q: In a hypothesis test, the Type I error rate is a = 0.10. Suppose we %3D also know that the Type II…

A: The type I error is Rejection of True null hypothesis. The type II error is fail to reject a false…

Q: An experiment consists of rolling a weighted die. The probability of rolling each number is:…

A: Given information: The probability of rolling each number is: P[1] = 0.15, P[2] = 0.2, P[3] = 0.15,…

Q: Enterococci are bacteria that cause blood infections in hospitalized patients. One antibiotic used…

A: Given  n=sample size=18, q be the probability of successful treatment q=3%

Q: A blood test indicates the presence of a particular disease 94% of the time when the disease is…

A: Let Y be the positive test result, D be the presence of the disease, and A be the absence of the…

Q: After vaccination, the probability of getting flu is 0.15. Without vaccination, it is 0.4. In a…

A: Given Information: After vaccination, probability of getting flu is 0.15. Without vaccination,…

Q: is estimated that 5% of the athletes competing in a large tournament are users of an illegal drug to…

A: Given that : It is estimated that 5% of the athletes competing in a large tournament are users of an…

Q: A study showed that the sex ratio of children born to families in a native community of Ontario…

A: A study showed that the sex ratio of children born to families . Given: A news paper report about…

Q: A study of 3000 people compared the rates of liver cancer between 2000 people who drank one or more…

A: Here we want to test the relationship between coffee drinking and liver cancer.  For finding the…

Q: disease occurs in 1% of the population. A diagnostic test gives a positive result in: 99% of people…

A: Find P(disease/ positive) = ?

Q: A survey showed that 79% of adults need correction (eyeglasses, contacts, surgery, etc.) for their…

A: The binomial distribution is a discrete probability distribution, which has only two outcomes per…

Q: Winston's assembly unit has decided to use a p-Chart with an a risk of 1 % to monitor the proportion…

A: Given that the production manager randomly samples 200 metal shafts at 16 successively selected time…

Q: who do not pass the test is also employed. Training is successfully completed by only 50%of this…

A: The probability of applicants passed the test is, PP=0.6. The probability of applicants not pass the…

Q: ght bulbs are tested for their life-span. It is found that 16% of the light bulbs are rejected. A…

A: From the given information, Consider, X be the random variable that denotes the number of bulbs that…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.