The probability that a randomly selected 33​-year-old male chipmunkchipmunk will live to be 44 years old is 0.965740.96574. ​(a) What is the probability that two randomly selected 33​-year-old male chipmunkchipmunks will live to be 44 years​ old? ​(b) What is the probability that eighteight randomly selected 33​-year-old male chipmunkchipmunks will live to be 44 years​ old? ​(c) What is the probability that at least one of eighteight randomly selected 33​-year-old male chipmunkchipmunks will not live to be 44 years​ old? Would it be unusual if at least one of eighteight randomly selected 33​-year-old male chipmunkchipmunks did not live to be 44 years​ old? ​(a) The probability that two randomly selected 33​-year-old male chipmunkchipmunks will live to be 44 years old is nothing .

Q: he probability that the selected applicant either passes to academic requirements or does not pass…

A: Given:     Work Experience standards      yes  No  Total Academic Achievement Standards  yes…

Q: the probability that more than 17 of the students smoke?

A: Given : n=75 , p=0.277 , q=1-p=1-0.277=0.723 Here  np=75*0.277=20.7750>5 and…

Q: An expert has determined that the probability of each egg put in an incubator being successfully…

A: Let p be the probability that an egg hatched to a baby chick a month later. Given that p = 0.95 Let…

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

A:

Q: A Food Marketing Institute found that 51% of households spend more than $125 a week on groceries.…

A:

Q: The researchers found that pedestrians walk against traffic on the UMD College Park campus at the…

A: Given that every 30 minutes there are 2 persons on an average. So in 1 hour=60 minutes, there will…

Q: A study was conducted to determine whether there were significant differences between medical…

A:

Q: The incidence of disease in a forest is such that 20% of the trees in the forest have the chance of…

A:

Q: The probability that a randomly selected 40-year old female will live to be 41year old is 0.988…

A: Let p denote that the probability that a randomly selected 40-year old female will live to be 41…

Q: Assume that there is a 10% rate of disk failure in a year  A) if all your computer data is stored…

A: P[a disk failure]=0.1,  (A) P[at least one working drive out of two]=1-P[none are working out of…

Q: Suppose the probability of a bank making a mistake in processing a deposit is .0003. If 10,000…

A: Given,n=10,000p=0.0003here n is large and p is very small so we haveto use poisson distribution with…

Q: The probability that a patient recovers from a rare blood disease is 0.4 If 15 randomly chosen…

A: Given: Probability that patient recovers, p=0.4sample size, n=15

Q: The probability that a randomly selected 4-year-old male salamander will live to be 5 years old is…

A: Given,The probability that a randomly selected 4-year-oldmale salamander will live to be 5 years old…

Q: A corporation receives 120 applications for positions from recent college graduates in business.…

A: Given: p=0.4 n=120

Q: A certain rare blood disease affects 0.02% of the population. If the population of a randomly chosen…

A: Given: 1) Probability that blood disease affect the population, p=0.02% =0.0002 Sample size, n=1000…

Q: According to a recent study, 9.1% of high school dropouts are 16- to 17-year-olds. In addition, 6.3%…

A: We have given that  A=High  B=White  P(A)=9.1%=0.091 P(A and B)=6.3%=0.063 Find P(B/A)

Q: The Employee Benefit Research Institute reports that 69% of workers reported that they and/or their…

A: We have given that  69% of workers reported that they and/or their spouse had saved some money for…

Q: The probability that an UofM student is from the Greater Toronto Area is only .25. What is the…

A:

Q: The average age of residents in a large residential retirement community is 69 years with standard…

A: Here, the average age of residents in a large residential retirement community is 69 years with…

Q: Suppose it has been determined that the probability is 0.4 that a rat injected with cancerous cells…

A:

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

A:

Q: Assume that the probability of recovering from a brain surgery is 0.9. Considering the next 100…

A: p=0.9 n=100

Q: It is known that the rate of getting a disease in any region is 0.001. 2000 people are randomly…

A: Given: n = 2000 p= 0.001

Q: In a large school, it was found that 64% of students are taking a math class, 77% of student are…

A:

Q: According to a recent study, 8.9% of high school dropouts are 16- to 17-year-olds. In addition, 6.4%…

A: Let A is the event that dropout are 16 to 17 years old. And  B is the event that dropout are…

Q: According to a study, 80 % of adult smokers started smoking before 21 years old. 10 smokers 21 years…

A: Given, 80% of the smoker started smoking before 21 years old. i.e. p=0.80 n=10 Let X be the adult…

Q: The probability that a randomly selected 3​-year-old male chipmunkchipmunk will live to be 4 years…

A: Let L be the event that a 3​-year-old male chipmunk will live to be 4 years​ old and Lc be the event…

Q: 63% of American adults under age 35 believe Batman could win a fight over Superman. If a random…

A: Let X be an event that american adults under age 35 believe Batman could win a fight over Superman ,…

Q: A recent study showed that 0.5% of women over 50 have breast cancer. 90% of women who have breast…

A: Assume, C be the event which happens when a woman has cancer. N be the event which happens when a…

Q: Suppose a certain study reported that 27.7% of high school students smoke. Random samples are…

A: Solution solution:- Let 'X' be the no.of people in sample that smokertherefore, X~Bin(n,ρ)   n=60,…

Q: In a certain year, the probability that a stock was in the Information Technology sector was 0.1302.…

A:

Q: A survey of all medium- and large-sized corporations showed that 69% of them offer retirement plans…

A: From the provided information, A survey of all medium- and large-sized corporations showed that 69%…

Q: In a certain country, the true probability of a baby being a boy is 0.538. Among the next six…

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

Q: According to the American Marketing​ Association, in one​ month, 29% of social​ media users were…

A:

Q: A Food Marketing Institute found that 26% of households spend more than $125 a week on groceries.…

A:

Q: What happens to trees over a five-year period? A study lasting more than 30 years found these…

A:

Q: According to a​ survey, ​26.6% of​ credit-card-holding families in a certain area hardly ever pay…

A: Obtain the probability that at least 4 families hardly ever pay off the balance.   The probability…

Q: A recent survey indicates that 62% of HKU students who registered in an Economics course have…

A: Let us denote X=the number of HKU students who registered in an Economics course n=number of trials=…

Q: A test for the presence of salmonella in chicken detects 97% of the time when the bacteria is…

A: Given data: presence of salmonella in chicken detects  = 97% Also gives a false positive  = 2% of…

Q: A certain study conducted in 2000 reported that reported 71.3% of men between the ages of 45 and 54…

A: Given,population proportion(p)=0.713

Q: Thế probability that a randomly selected 1-year-old male salamander will live to be 2 years old is…

A: See the hand written solution

Q: A Food Marketing Institute found that 42% of households spend more than $125 a week on groceries.…

A: Given that, p = 0.42 1 - p = 1 - 0.42 = 0.58 n = 126

Q: In a 2018 study, it was determined that 14% of Americans smoke. In a separate study, it was…

A: Given data: Percentage of Smokers is 14%. Percentage of smokers who die of lung cancer is 9%.…

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 a certain study conducted in 2000 reported 71.3% of men between the ages of 45 and 54 are…

A:

Q: the probability that 38 or more will not develop any faults within the first 3 years of use

A: Given, p = 0.003 q = 1-p = 0.997 n = 40 Let X be no. of fault machines

Q: A new medical test has been designed to detect the presence of the mysterious Brainlesserian…

A: Given : Among those who have the disease, the probability that the disease will be detected by the…

Q: Suppose a certain study reported that 27.7% of high school students smoke. Random samples are…

A: Solution: Given data: p = 0.277 Population size (N) = 632 students Sample size (n) = 60 To find: The…

Q: A safety engineer claims that only 30% of all workers wear safety helmets when they eat lunch at the…

A: The Probability mass function for Binomial distribution is given by                     P(X=x)=ncx…

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.