Based on data from a statistical abstract, only about 12% of senior citizens (65 years old or older) get the flu each year. However, about 23% of the people under 65 years old get the flu each year. In the general population, there

Q: A certain insecticide kills 60%60% of all insects in laboratory experiments. A sample of 99 insects…

A: The problem describes a situation where we have a fixed number of independent trials (99 insects),…

Q: Research has shown that approximately 1 woman in 700 carries a mutation of a particular gene. About…

A: event A : gene mutationevent B : develop colon cancerP(A) = 1700P(B|A) = 0.55P(A∩B) = ?

Q: A certain insecticide kills 70%70% of all insects in laboratory experiments. A sample of 77 insects…

A: Step 1: State the given: number of favorable cases, x > 55 (more than 55 insects)probability of…

Q: The auto parts department of an automotive dealership sends out a mean of 3.6 special orders daily.…

A: Consider X be random variable which follows Poisson distribution indicating the number of special…

Q: A student takes a ten-question true-false quiz, but did not study and randomly guesses each answer.…

A: Given: Number of questions = 10Probability of getting correct =1/2 =  0.5 (because it is a true -…

Q: The table below shows the results of a survey about a junk food tax. Support Oppose Unsure…

A: Given   Let A=person oppose the tax B=person is female

Q: The probability that a person in the United States has type B blood is 10%. If 3 people are randomly…

A: Let X be a random variable that represents the person in the united states who has type B blood. The…

Q: A survey showed that 80% of adults need correction (eyeglasses, contacts, surgery, etc.) for their…

A: P(need correction) = p = 0.80Sample size (n) = 20X = No. of adults need correctionP(No more than 1…

Q: A medical test is given to 1000 people, 53% of whom have diabetes. The test has a false positive…

A: Given that , a medical test is given to 1000 people, 53% of whom have diabetes. It's mean 530 people…

Q: It is estimated that 0.52 percent of the callers to the Customer Service department of Dell Inc.…

A:

Q: Eighty percent of the students at a particular large university have logged on to Facebook at least…

A: We will use the properties of the sampling distribution of the sample proportion. For large samples,…

Q: According to the information that comes with a certain prescription drug, when taking this drug,…

A: Here the given information is According to the information that comes with a certain prescription…

Q: It is estimated that 0.55 percent of the callers to the Customer Service department of Dell…

A: It is estimated that 0.55 percent of the callers to the Customer Service department of Dell…

Q: ACcording to a study conducted by a public health school, a child seated in the front seat who was…

A: Given to a study conducted by a public health school, a child seated in the front seat who was…

Q: A certain insecticide kills 60 % of all insects in laboratory experiments. A sample of 8 insects is…

A: The objective of this question is to find the probability that exactly one insect will survive when…

Q: Suppose 57% of the population has a college degree. If a random sample of size 770 is selected,…

A: the pdf of normal distribution is = 1/σ * √2π * e ^ -(x-u)^2/ 2σ^2standard normal distribution is a…

Q: A researcher believes that 4%4% of females smoke cigarettes. If the researcher is correct, what is…

A: Where,

Q: Where does all that Halloween candy go? The October 2004 issue of Readers' Digest quoted that "80%…

A: It is given that 80% of parents admit taking Halloween candy from their children's trick or treat…

Q: Based on her numbers, what is the probability that customer selected at random is a woman and she…

A:

Q: If a person is chosen at random, what is the probability that he or she does not smoke? (round your…

A:

Q: Historical data indicates that Rickenbacker Airlines receives an average of 2 complaints per day.…

A:

Q: In a large population, 68% of the people have been vaccinated. If 5 people are randomly selected,…

A: Givenp=0.68n=5Let x be no.of people vaccinatedx~Binomial(n=5,p=0.68)P(X=x)=(nx)×px×(1-p)n-x   ;…

Q: The following table summarizes data on 976 pedestrian deaths that were caused by accidents. If one…

A: pedestrian intoxicated YES pedestrian intoxicated NO Total Driver intoxicated YES 64 69…

Q: The statistics department of a college found that there is a 28% chance (0.28) that a student will…

A: From the provided information, The statistics department of a college found that there is a 28%…

Q: The opera theater manager calculates that 32% of the opera tickets for tonight's show have been…

A: The opera theater calculates that 32% of the opera tickets for tonight's show have been sold. That…

Q: A certain insecticide kills 60% of all insects in laboratory experiments. A sample of 9 insects is…

A:

Q: Apparently, depression significantly increases the risk of developing dementia later in life. In a…

A: The given data is as follows:

Q: It is known that 70% of adult workers have a high school diploma.  If a random sample of 25 adult…

A: Here 70% of adult workers have high school diploma. From them a random sample of 25 adult workers is…

Q: If the probability that a randomly chosen college student takes statistics is 0.34, then what is the…

A: The probability that a randomly chosen college student takes statistics is 0.34. The probability…

Q: A survey of 2,350 adults reported that 54​% watch news videos. Suppose that you take a sample of…

A: For a random sample of 500 adults, 54​% watch news videos.

Q: What is the probability that exactly seven out of 12 students have healthy cholesterol levels?

A: A group of 12 students' cholesterol levels are tested. Suppose the probability of a student having a…

Q: A certain insecticide kills 60%60% of all insects in laboratory experiments. A sample of 1111…

A: Step 1: The total number of insects is 11.The probability of killed all insects in the lab is…

Q: An exam consists of 15 true-or-false questions. If a student guesses at every answer, what is the…

A: Here the given information is   An exam consists of 15 true-or-false questions. If a student guesses…

Q: Approximately 10% of all people are left-handed. Out of a random sample of 15 people, what is the…

A: We have given that Probability (p) = 0.10sample size (n) = 15

Q: High blood pressure has been identified as a risk factor for heart attacks and strokes. The…

A:

Q: A certain insecticide kills 70% of all insects in laboratory experiments. A sample of 6 insects is…

A: The objective of this question is to find the probability that exactly 4 out of 6 insects will…

Q: A recent survey showed that 94 adults out of a sample of 500 have high blood pressure. However, 108…

A: The objective of this question is to find the probability that a randomly chosen adult from the…

Q: A survey of 2,350 adults reported that 54​% watch news videos. Suppose that you take a sample of…

A:

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: Quarters are currently minted with weights normally distributed and having a standard deviation of…

A: n=27, s=0.042, σ=0.069, α=0.05

Q: An exam consists of 10 true-or-false questions. If a student guesses at every answer, what is the…

A:

Q: A friend is considering buying stock in TESLA, a car company focused on fuel-efficiency. If the Gas…

A: According to the given information,If the Gas Price goes down, the probability of TESLA stock price…

Q: A recent survey showed that 65 adults out of a sample of 500 do not like cold weather. However, 84…

A: The provided information is as follows:The sample size is .The total number of adults who are…

Q: ... The probability that a randomly selected woman will carry the gene mutation and develop bladder…

A: It is given that approximately 1 woman in 500 carries a mutation of a particular gene. About 45% of…

Q: 46.5% of Americans get a flu shot each season. What is the probability that 2 out of 3 randomly…

A: Given,n=3p=0.05X=no.of Americans get a flu shot X~Binomial (n=3 , p=0.05)P(X=x)=nxpx (1-p)n-x   :…

Q: After several thousand game over several years versus a computer opponent, your instructor has won…

A: Given data, p=66.4%=0.664 n=12 P(X=8)=?