8. If 30 percent of the mice used in an experiment will become very aggressive within one minute after having been administered an experimental drug, find the probability that exactly six of 10 mice that have been administered the drug will become very aggressive within one minute.

Q: Suppose that a fast food restaurant can expect two customers every 3 minutes, on average. What is…

A: In this question we will be using Poisson distribution.  It is given that the restaurant can expect…

Q: It is estimated that 1 in 59 students in Canada have been diagnosed with Austism Spectrum Disorder.…

A: Given data: The expression for the probability that 1 in 59 students in Canada has been diagnosed…

Q: 1. Suppose that 31% of adults have at least one tattoo. If you sample 90 rand adults, what is the…

A: Z = p^-pp(1-p)n~N(0,1)

Q: An economics professional body estimates that 75% of the students taking undergraduate economics…

A: Solution: Let X be the random variable that students taking undergraduate economics courses are in…

Q: 2) It is estimated that 3.5% of the general population will live past their 90th birthday. In a…

A: Given: It is estimated that 3.5% of the general population will live past their 90th birthday.  In…

Q: It has been estimated that 21% of Americans are smokers. If five American adults are chosen at…

A: From the provided information, It has been estimated that 21% of Americans are smokers that is p =…

Q: The Denver Post stated that 80% of all new products introduced in grocery stores are taken off the…

A:

Q: The median age of residents in a certain town is 33 years. If a survey of 100 randomly sampled…

A: In the given data since the median value is 33 years, we can say that the probability of any…

Q: An economics professional body estimates that 75% of the students taking undergraduate economics…

A:

Q: In any given sampling, there is a 54% chance that a new invasive fish to be sampled along with other…

A: Probability: Probability is a chance factor that can occurs at every outcome of a random experiment.…

Q: It is estimated that 75%of all young adults between the ages of 18-35 do not have a landline in…

A: Given Information- p = 0.75 q = 1-0.75 =0.25 n = 100 Here we use Binomial distribution, Binomial…

Q: 13 percent of the patients in a study reported previous episodes of stroke or transient ischemic…

A: Solution: Given information: n= 70 Sample size  p= 0.13 Population proportion.

Q: According to a poll of​ adults, about 4848​% work during their summer vacation. Assume that the true…

A: From the given information, it is clear that sample size, n = 600.The probability of success, p hat…

Q: Suppose that one in six smartphone users have fallen prey to cyber-attack. We use a sample of 224…

A:

Q: According to the American Diabetes Association (2013), 8.3 % of the U.S. population have diabetes.…

A:

Q: A study shows that 15% of adult males don’t wash their hands in a public restroom. We take a random…

A:

Q: Suppose that 50% of adult Australians believe that Australia should apply to host the next rugby…

A: Given: p=0.5 n=150

Q: If 10% of men are bald, what is the probability that fewer than 100 in a random sample of 900 are…

A: Solution:Binomial distribution approximated to normal distribution or not is checked below:It is…

Q: Forty percent of American adult women believe that meat from animals raised on genetically modified…

A: Formula : Binomial distribution is given by

Q: 5. The Gallup Poll once asked an SRS of 1540 adults, "Do you happen to jog?" Suppose 15% of all…

A: We have to find probably using z table

Q: According to a recent survey, 35% of respondents drive Japanese-made cars. From a random sample of…

A: Let X be tbe number of driving a Japanese-made car from Binomial distribution with probability (p)=…

Q: It is assumed that 78% of the seeds of a certain type of wheat germinate. If we randomly select 340…

A:

Q: According to a study conducted by the Gallup organization, the proportion of Americans who are…

A: It is an importance stance in probability distribution . Binomial distribution is a discrete…

Q: A sample preparation for a chemical measurement is completed correctly by 25% of the lab…

A:

Q: It has been estimated that 21% of Americans are smokers. If four American adults are chosen at…

A: Given that, proportion, p= 21%  p= 0.21 So q= 1-p= 1-0.21 = 0.79 And sample size is n= 4 So X~…

Q: Suppose the proportion of elementary students in Texas that are enrolled in fully remote learning…

A: Given that p = 0.20, n = 100, p(x<=10) = ?

Q: If 20 percent of the mice used in an experiment will become very aggressive after having been…

A: 3.  Given Information :  If 40 percent of the mice used in an experiment will become very aggressive…

Q: A recent survey found that 70% of all adults over 50 wear sunglasses for driving. In a random sample…

A: The binomial probability distribution is, PX=x=nxpx1-pn-x In the formula, n denotes the number of…

Q: what is the probability more than half of the sampled students are working full time?

A: Assume sixty percent of all NKU students work full time. If a random sample of 70 NKUstudents is…

Q: 6. An old camera has a 45% chance of not responding after taking a shot. What is the probability…

A: Given: Probability of not responding (p)=0.45  the shot number on which camera stop responding(x)=6

Q: It is estimated that 75% of all young adults between the ages of 18-35 do not have a landline in…

A: The probability of young adults do not owns a landline is, 0.75 The probability of young adults owns…

Q: 13 percent of the patients in a study reported previous episodes of a stroke. Use 13 percent as the…

A: The mean and the standard deviation of the sampling distribution of the sample proportion is,

Q: 8. It is estimated that 80% of people in Cyprus take paracetamol for headache treatment. Out of 5…

A: The Binomial probability mass function formula is stated as below                          P(X=x)…

Q: According to a study 20% of corporate officers are women. Suppose that you select a random sample of…

A: Z-score for proportion:

Q: According to a study, 20% of corporate officers are women. Suppose that you select a random sample…

A:

Q: 3. Among those who have more than 10 years of service, what is the probability they would leave the…

A: Instruction : "Please answer number 3 and show work. Thank you!"   Given Data : Total Number of…

Q: Suppose that more than a decade ago high levels of lead in the blood put 82% of children at risk. A…

A: From the provided information, Sample size (n) = 100 Proportion (p) = 0.82 Let X is a random…

Q: Suppose that at a large university 30% of students are involved in intramural sports. If we randomly…

A: Obtain the probability that fewer than 5 of these students are involved in intramural sports. The…

Q: 13. Suppose that a lot of 5000 electrical fuses contain 5% defectives. If a sample of five fuses is…

A: Given,n=5000p=0.05here A random variable X~Poisson(λ)because n is large and p value very smallso ,…

Q: Suppose that it is known that 45% of eighteen-year-olds in a particular city do not have a driver's…

A:

Q: In 2014, 78.9% of US households spoke only English at home. What is the probability that at least 12…

A: Given that 78.9% of US households spoke only English at home.

Q: Based on data from the Center for Statistics, 30% of adult Americans smoke. Ina sample of 12 adults:…

A: Note: As per Bartleby’s guideline for more than three subparts of a questions only first is to be…

Q: Suppose a population consists of 10 items, four of which are classified as defective and six of…

A: Probability quantifies the chances of happening an event. The probability values always lie in the…

Q: 1. In a factory that produces pieces of ready-made concrete, if the percentage of production of…

A: Givenp=0.6n=5x~Binomial(n=5,p=0.6)P(X=x)=Cxn px (1-p)n-x  ; x=0,1...,n

Q: It is reported that 15% of all books sold are of the science fiction genre. If a bookstore sells 316…

A: The binomial probability distribution with parameters n and p is, PX=x=nxpx1-pn-x In the formula, n…

Q: In a city of 180,000 people there are 20,000 legal immigrants from Latin America. What is the…

A: Given: The total number of people in a city are N=1,80,000. The number of legal immigrants from…

Q: Based on a study by Dr. P. Sorita at Indiana University, approximately 12% of people have green…

A: It is given that n =0.12 and n = 650.