. Suppose we randomly sampled a person who participated in the exit poll and found that he had a college degree. What is the probability that he voted in favor of Scott Walker?

Q: A study wishes to see whether attending prekindergarden affects a child's likelihood to graduate…

A: We want to test the hypothesis Given  X1=215, n1=250 X2=260, n2=340

Q: Among registered voters nationally, 40% identify as Independent. 30% identify as Democrat, and 30%…

A: Given that P(Independent)=0.40 P(Democrat)=0.30 P(Republican) =0.30 P(Biden won| Independent) =0.65…

Q: In a survey it was found that 10% of the voters had considered running for the school board.  It was…

A: Let V be the event that selected person voted in the last school board election, R be the event that…

Q: he U.S. Census Bureau says that the 10 most common names in the United States are (in order) Smith,…

A: From the provided information, Probability (p) = 0.096 Sample size (n) = 12

Q: Of the patients at a cardiac rehabilitation centre, 37% lead a sedentary lifestyle and have had a…

A: 37% lead a sedentary lifestyle and have had a heart attack82% of the patients lead a sedentary…

Q: If you had a bag of 36,110,00 gumballs. 1,673,785 (4.9%) were red and 34,326,215 (95.1%) were not…

A: Probability is the chance of occurrence of an event. It also known as likelihood happening of an…

Q: A recent survey showed that the probability of a student using an on-line motorcycle taxi is 0.6.…

A: From the provided information, Probability of a student using an on-line motorcycle taxi is 0.6. Let…

Q: A motion by one of the board members of a town proposed that Brgy. San Vicente be annexed to its…

A:

Q: From the research conducted by a Cancer Research Institute, it has been found that 5 percent of male…

A: Number of male cancer patients = 50 Number of female cancer patients = 50 Total number of cancer…

Q: The U.S. Census Bureau says that the 10 most common names in the United States are (in order) Smith,…

A: From the provided information, Probability (p) = 0.096 Sample size (n) = 11

Q: Plantations Foods has 843 employees. A total of 255 employees have a college degree and 588 do not…

A: It is given that the total employees are 843. The number of employees have college degree is 255 and…

Q: The probability that a family owns a washing machine is 0.68 that it owns a DVD player is 0.81, and…

A: GivenP(family owns a washing machine)=0.68P(family owns a DVD player)=0.81P(family owns both washing…

Q: . 10% Chance B. 11% Chance C. 12% Chance D. 17% Chance

A: We have to use the data given in table and basic probability theory to get the probabilities.

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

A:

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

A:

Q: Research has demonstrated that people tend to be attracted to others who are similar to themselves.…

A: Null Hypothesis:   H0: The number of couples with the same last initial is not significantly…

Q: In a study of 44 patients at a rural hospital, there were 9 females in the ICU, 6 females in the…

A:

Q: Suppose that 71% of diners ask for a manager when they have a complaint, while 29% of diners ask for…

A: event A : have complaint and ask for manager B : gave question about the menu and ask for manager C…

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: Suppose the prevalence of type II diabetes in a community is 36%. Researchers want to sample 16…

A: Suppose the prevalence of type II diabetes in a community is 36%. Researchers want to sample 16…

Q: Suppose that a poll finds that 33.7​% of taxpayers who filed their tax return electronically​…

A: n=3p=0.337A random variable XBinomial(n=3, p=0.337)P(X=x)=

Q: 3. A recent study concerning knee injuries of football players compared two types of football shoes.…

A: Step 1:  The test here used is a test of difference of population proportions.There are two types of…

Q: A labor statistician claims that 6% of the labor forces will be laid off likely  to pandemic impact.…

A: Solution: According to a labor statistician's claim, 6% of the labor forces will be paid off. Let p…

Q: A magazine conducts a survey to determine if Californians living in primarily rural counties have a…

A: The sample size is n=1000 Number of people who think climate change is real are 170 from rural area…

Q: Some cyclists ride their bicycles on the wrong side of the road, the opposite direction of car…

A: It was stated that some cyclists ride their bicycles on the wrong side of the road, the opposite…

Q: In a survey of Canadian nurses who worked more than 45 hours per week, it was found that 321 nurses…

A: Given Data n(nurse under 35 age)=321 n( nurse between 35 to 55 age)=403   Total=321+403=724

Q: A recent study concerning knee injuries of football players compared two types of football shoes.…

A: The random variable knee injuries which follows binomial distribution. There are two independent…

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: 1. A stationary box contains 3 fountain pens, 5 pencils and 9 ball pens. If four items are drawn at…

A: