If an athlete is tested negative, what is the probability that he/she uses steroids?

Q: on an uninfected person. What is the probability that a randomly tested person from this area will…

A: given that

Q: the owner of a small deli is trying to decide whether to discontinue selling magazines. He suspects…

A:

Q: A tire company produced a batch of 6,700 tires that includes exactly 230 that are defective.   a. If…

A: a) According to the provided information, A tire company produced a batch of 6,700 tires that…

Q: A car dealer has established that 40% of his potential customers prefer single cab cars while 60%…

A: We have to find out answer

Q: The owner of a small deli is trying to decide whether to discontinue selling magazines. He suspects…

A:

Q: It has been been found that 1 out of 10 visitors to a museum buys something from a gift shop. If we…

A:

Q: It has been found that 2 out of every 10 people who visit a local store purchase juice. If we…

A: Let n denote the sample size of visitors to the store. Let x denote the visitors purchase juice.…

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

A: Consider X be a random variable which follows binomial distribution indicates the blood sample of…

Q: In a recent year, about 36% of all infants born in a country were conceived through in-vitro…

A: Define the events, A : infant conceived through IVF B : deliveries resulted in multiple births Given…

Q: The owner of a small deli is trying to decide whether to discontinue selling magazines. He suspects…

A: Let X be the random variable from binomial distribution with probability (p) = 11% = 0.11 and sample…

Q: At a particular manufacturing facility, the Quality Control Department (QC) is responsible for…

A: Define some events A : an item is defective. B : an item is acceptable. E : an item is labelled as…

Q: Sixty percent of new drivers have had driver education. During their first year, new drivers without…

A: Define the following events : A : committing an accident. B : driver having proper driver education.…

Q: A car dealer has established that 40% of his potential customers prefer single cab cars while 60%…

A: From the given information, Consider, A be the event that denotes the prefer single Cab B be the…

Q: The owner of a small deli is trying to decide whether to discontinue selling magazines. He suspects…

A:

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

A: We have to find given probability.

Q: A study of immunizations among school‑age children in California found that some areas had rates of…

A: Given,           n=20           P=0.135          X~Binomial n=20,P=0.135          PX-x=nCX…

Q: The National Association of Realtors estimates that 23% of all homes purchased in 2004 were…

A: Probability of success, p=0.23 and n=800.

Q: A certain hospital claims that 70% of the patients die of chronic diseases.  What is the probability…

A: Solution-: Let, X= Number of  patients recover of chronic diseases among 6 randomly selected…

Q: A screening test for cancer has a low false positive rate and a low false negative rate, in that,…

A:

Q: The television show CSI: Shoboygan has been successful for many years. That show recently had a…

A:

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: When a truckload of eggs arrive at a store, a random sample of 175 are inspected for cracks or…

A: Consider that p is population proportion of eggs, that do not meet satisfaction.

Q: In a county where factories have to be tested for the emission of pollutants, 32% of all factories…

A:

Q: A journalist wanted to learn the views of the chief executive officers of the 500 largest U.S.…

A: Given : Sample size (n)=81population proportion (p)=0.55 P( p^<0.50)=?

Q: In a recent​ year, about 38​% of all infants born in a country were conceived through​ in-vitro…

A:

Q: Twenty-two percent of all telephones of a certain type are submitted for service while under…

A: P(Replaced|submitted) = 0.40 P(submitted) = 0.22 P=p(replaced) =P(Replaced}submitted)P(submitted)…

Q: A contractor is planning the acquisition of construction equipment, including bulldozers, needed for…

A: The given question has been solved using one approach in the example itself. We will now understand…

Q: A certain group of women had a 0.73% rate of red/green color blindness. If a woman is randomly…

A: It is given that a certain group of women had a 0.73% rate of red/green color blindness.

Q: In a recent year, about 36% of all infants born in a country were conceived through in-vitro…

A: 36% of the all infants conceived through IVF. Of the IVF deliveries 26% resulted in multiple births.…

Q: What is the probability that 8 out of 12 customers will see dramatic results? What is the…

A:

Q: Dr. James, a dermatologist, is creating a face wash for her patients with severe skin allergies.…

A:

Q: A city commissioner claims that 80% of the people living in the city favour contracting out garbage…

A:

Q: A health HMO finds that that 56% of their policy holders are married. Amongst that same group 67%…

A: Probability that policy holder is married = P(M) = 0.56 Probability that policy holder have atleast…

Q: The owner of a small deli is trying to decide whether to discontinue selling magazines. He suspects…

A:

Q: A survey of magazine subscribers showed that 43% rented a car during the past 12 months for business…

A: Let A be the event that a person rented a car during the past 12 months for business reasonsLet B be…

Q: According to a study in a medical journal, 202 of a sample of 5,990 middle-aged men had developed…

A: Given that 202 of a sample of 5,990 middle-aged men had developed diabetes.

Q: In a recent year, about 34% of all infants born in a country were conceived through in-vitro…

A: a) It is given that about 34% of all infants born in a country were conceived through IVF.

Q: A recent survey showed that 18% of MIS students have experienced some form of anxiety during the…

A: It is an important part of statistics. It is widely used.

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

A: It is provided that the probability, in one country a randomly selected adult being infected with a…

Q: To avoid being stuck with a shipment of defective HDTV sets, a large retailer tests a random sample…

A: Sample size n=3 Defect rate p=0.012 q=1-p=1-0.012=0.988 X=Number of defective items…

Q: The National Association of Realtors estimates that 23% of all homes purchased in 2004 were…

A: Given: p=0.23 n=800 x=200 The sample proportion is, p^=xn=200800=0.25

Q: A recent survey shows that 16% of college students have dogs and 38% have an HBO subscription.…

A: Percentage of student have dogs is 16%. Percentage of student have HBO subscription is 38%.

Q: According to a study in a medical journal, 202 of a sample of 5,990 middle-aged men had developed…

A: Let S be the sample space and E be the event in S.  The probability of the event E is denoted by PE…

Q: A national study found that treating people appropriately for high blood pressure reduced their…

A:

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

A: The probability that the adult is infected with virus is 0.004. When at least one of the person has…

Q: The Watts New Lightbulb Corporation ships large consignments of lightbulbs to big industrial users.…

A: Let A be the event of production process is functioning correctly       B be the event of production…

Q: According to a study in a medical journal, 202 of a sample of 5,990 middle-aged men had developed…

A: Given that, According to a study in a medical journal, 202 of a sample of 5,990 middle-aged men had…

Q: The Principal reported that 30% of the students in first year have a failing grade. If this is true,…

A: Given: The Principal reported that 30% of the students in first year have a failing grade. Let X be…

Q: The manager of Toy World has decided to accept a shipment of electronic games if none of a random…

A: