The Pepsi Challenged asked soda drinkers to compare Diet Coke and Diet Pepsi in a blind taste test. Pepsi claimed that more than ½ of Diet Coke drinkers said they preferred Diet Pepsi. Suppose we took a random sample of 100 Diet Coke Drinkers and we found that 56 preferred Diet Pepsi. Conduct the appropriate test to determine if Pepsi’s claim is true.

Q: A local pizza company ran a taste test with 3 different sauce recipes. The study consisted of 60…

A: It is given that a local pizza company ran a taste test with 3 different sauce recipes.

Q: 60 people are  surveyed  in new  york city .Out of the  60 , 43 people have  corona  infection…

A: Given, Total no. of people surveyed=60 No. of people having corona infection=43 No. of people tested…

Q: Janette must pass through three doors as she walks from her company's foyer to her office. Each of…

A: Given that there are 3 doors. Each door has 2 possible outcomes: locked or unlocked.   Let us denote…

Q: A marketing expert for a pasta-making com- pany believes that 40% of pasta lovers prefer lasagna. If…

A: Given: n= 20 ,x= 9.0 p= 0.4 ,significance level(∝)= 0.05 p̂= 9.0 / 20

Q: According to online resources, about 8% of all males have some color perception defect, most…

A: Given,8% of all males have the same color perception defect, most commonly red-green…

Q: Suppose Diana, an educational researcher at a local university, wants to test the impact of a new…

A: Diana selects a simple random sample of 68 freshmen and divides them into 34 pairs. we have given,…

Q: You are interested in whether level of education influences a person's exposure to the media. You…

A: The experiment is aimed to find whether the level of education influences a person's exposure to the…

Q: A box contains 4 marbles: 1 red, 1 blue, 1 green, 1 yellow. Consider an experiment that consists of…

A: Taking marbles with replacement Sample Size S=4C1*4C1=4*4=16

Q: Nationally, 83% of Americans have earned a high school diploma.  We want to see if the proportion of…

A: We have to find sample proportion.

Q: The safety commissioner in a large city wants to estimate the proportion of buildings in the city…

A: The following information has been given: The sample size is n=40. The favorable cases are x=4.

Q: Suppose a random sample of n=270 teenagers 13 to 17 years of age was asked if they use social media.…

A: It is given that 270 teenagers 13 to 17 years of age was asked if they use social media in which 204…

Q: ution: p ± Za/2/pq/n= 0.06 ± 1.96/0.06 × 0.94/100 = 0.06 ± 0.046547, or (0.01345, 0.10655)

A: The solutions are given below

Q: In your "Introduction to College Mathematics" class last semester, the instructor gave four tests.…

A: Given Scores90, 86, 70 , 80Possible sample size will be 1,2,3,4The data has been entered into excel…

Q: The city of Raleigh has 7200 registered voters. There are two candidates for city council in an…

A: It is given that, the day before the election, a telephone poll of 200 randomly selected registered…

Q: Nationally, 60% of American own American cars, 26% of Americans own Asian cars, and the remaing…

A: Consider that pi’s are the proportion of the Americans own American cars, own Asian cars, and own…

Q: suppose that in a random selection of 100 colored candies, 26% of them are blue. The candy company…

A:

Q: A vaccine to prevent a severe virus was given to children within the first year of life as part of a…

A: a.It is given that x1=57, x2= 49, n1=3,294, n2= 1,648. .

Q: A study was conducted to examine the percentage of senior citizens in town X who are still working…

A: A study was conducted to examine the percentage of senior citizens in town X who are still working…

Q: Nationally, 63% of American own American cars, 26% of Americans own Asian cars, and the remaing…

A: To test if there is a discrepancy between theoretical proportions (i.e., the true proportions of…

Q: A world-wide study conducted last year found that adult gamers (people who play a video game at…

A: Statistical hypothesis testing is an important method in inferential statistics. It is used to test…

Q: Assume that 1500 births are randomly selected and 760 of the births are girls. Use subjective…

A: Given Information: 1500 births are randomly selected and 760 of the births are girls. Use…

Q: Based on a sample of 80 men, 35% owned cats Based on a sample of 40 women, 50% owned cats The test…

A:

Q: The city of Raleigh has 9100 registered voters. There are two candidates for city council in an…

A: There are 9100 registered voters. Among randomly selected 300 registered voters, 125 said they'd…

Q: Out of 6000 graduates in a town 600 are females out of 1200 graduate employ 100 are females. Use z…

A:

Q: A city planning board wishes to determine whether a local community has any difference in preference…

A: The two samples of 500 individuals;n1=n2=500 there were 163 positive responses in the first sample…

Q: In a large clinical trial, 391,160 children were randomly assigned to two groups. The treatment…

A:

Q: Most adults would erase all of their personal information online if they could. A software firm…

A:

Q: You are interested in whether level of education influences a person's exposure to the media. You…

A: Solution: From the given information, Here, it is needed to identify the two control variables that…

Q: Find the sample proportion of teenagers 13 to 17 years of age who use social media The sample…

A: It is given that Favourable cases(use social media), X = 158Sample size, n = 200

Q: a study is conducted to access the impact of caffeine consumption, smoking, alcohol consumption, and…

A: Given data, p=40%=0.4 n=8 Let X be event that they consume caffiene and smoke. P(X<=6)=?

Q: Skittles claims that 30% of their candies are purple, 30% are green, 20% are orange, 10% are blue…

A: Solution: The given table of data is

Q: In June 2012 the Gallup organization conducted a pollusing a random sample of 1004 adults, aged 18…

A: From the given information, we have confidence Interval is 95%  Sampling error is 4 percentage…

Q: In the Star and Tribune newspaper, there is an article entitled “1 in 8 school buses fail tests."…

A: Given information: Sample of 200 buses and find that 20 buses fail the safety inspection. Let us…

Q: the 1920's about 97% of the U.S. colleges and universities required a physical education course for…

A:

Q: Test the claim that the coin is unfair.

A: here test the claim that coin is unfair here sample proportion of head p^ = 41100 = 0.41

Q: In June 2016, residents of the United Kingdom (UK) voted to leave the European Union (EU). However,…

A: The objective of this question is to determine the correct expression for the test statistic to…

Q: Suppose that in a random selection of 100 colored candies, 26% of them are blue. The candy company…

A: Solution: Given information: n= 100 Sample size  p^= 0.26  Sample proportion p= 0.23 Population…

Q: A box contains 4 marbles: 1 red, 1 blue, 1 green, 1 yellow.  Consider an experiment that consists of…

A: Given: A box contains 4 marbles: 1 red, 1 blue, 1 green, 1 yellow. To describe: The sample spaces…

Q: If 471 households were surveyed out of which 385 households have internet fiber cable, what is the…

A: Among 471 households 385 households have internet fiber cable, therefore 471-385 = 86 households…

Q: Nationally, 61% of American own American cars, 26% of Americans own Asian cars, and the remaing…

A:

Q: In a random sample of missions flown by B-17’s, 38 returned and 24 were lost. In a random sample of…

A: Statistical hypothesis testing is an important method in inferential statistics. It is used to test…

Q: rolled

A: We have 2 coins ,for this we have 2*2= 4 sample points.    I.e {HH,HT,TH,TT} And for a die we have…

Q: advertising tool, the company invites 100 people to view a 30-minute program that includes a…

A: Given that  P-value =0.0952 Level of significance =0.05

Q: ulas.) (a) State the null hypothesis Ho and the alternative hypothesis H₁. H:0 H₁ :0 (b) Determine…

A: It is given that  n1 = 265,    X1 = 99 n2 = 118,    X2 = 42   Note: According to Bartleby expert…

Q: A coach is interested in how many slam dunks the average college freshman at his university can do.…

A: Population:Population consists of the complete subjects that are included in the study for making…

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.