Please Help me answer both of these questions, thank you! 5. Suppose a researcher is using a one-way Chi-square test to determine whether people have a significant preference among three fast-food restaurants. The null hypothesis would state that: A. there is a real preference in the sample B. one-third of the population prefers each restaurant C. one-third of the sample prefers each restaurant D. one restaurant is preferred over the others in the population 6. Suppose a researcher asks 600 participants to state their preference among 3 flavors of ice cream. In this study, the expected frequency (E) value would be: A. 100 B. 150 C. 200 D. 160

Q: A bank manager is interested to study how check deposit preferences have changed for customers over…

A:

Q: ith short-game shots, 99 need the most help with approach and swing, 42 need the most help with…

A: Given: H0: p1=0.65, p2=0.22, p3=0.09, p4=0.04 Ha: At least one proportion is not the same. The…

Q: A candidate, who is running for a state senate seat, had a 47% popularity. Her campaign released a…

A: Given that the proportion value is 47% The margin of error is 2%=0.02 Consider the confidence level…

Q: Are Republicans less likely than Democrats to display the American flag in front of their residence…

A:

Q: When two births are randomly se- lected, the sample space for genders is bb, bg, gb, and gg (where b…

A: This question examines the sampling distribution of the sample proportion of girls from two births.…

Q: To investigate whether there is a significant difference between two regions of a state in the…

A: Given Information: Sample 1: (North) Sample size n1=300 Out of which x1=200 indicated they intended…

Q: The Pew Research Center conducted a study of gender bias. The report "Men or Women: Who is the…

A: (a) The two treatments in this experiment are:The treatment of reading a profile of Ann Clark (first…

Q: Phineas Phillips, from Philadelphia, has a fascination with fun phone facts. But Phineas has…

A:

Q: Are most student government leaders extroverts? According to Myers-Briggs estimates, about 82% of…

A: Given: α=0.01 x=55n=72 p=0.82

Q: Develop a 95% confidence interval estimate of the population mean rating for Miami. Round your…

A: Let  be the population mean rating for Miami.Given that,No. of business travelers Confidence level

Q: Among students at a nearby college, the proportion who say they're interested in their congressional…

A:

Q: Suppose you asked a sample of individuals if they are a Republican, Democrat, or Independent and…

A: Two way chi square

Q: A marketing manager for a fast-food restaurant wants to know which of 3 possible promotions will…

A: Given Information:

Q: A bank manager has been presented with a new brochure that was designed to be more effective in…

A: Given: p1 = 0.35, n1 = 200 p2 = 0.42, n2 = 200 α = 0.10

Q: hat is your favorite color? A large survey of countries, including the United States, China, Russia,…

A: level of significance α = 0.05.

Q: he manufacturer of a new racecar engine claims that the proportion of engine failures ue to…

A: Given that  Sample size n1=185 , n2=160 Favorable cases x1=16 , x2=7

Q: The International Air Transport Association surveys business travelers to develop quality ratings…

A: For the given sample, Mean=6.26, from the excel function, =AVERAGE(D1:D50) Standard…

Q: The owner of an ice cream shop claims that 40% of his customers prefer chocolate ice cream, 35%…

A: Hypothesis is an assumption that is being tested.

Q: You have been employed as a marketing executive by the Coca-Cola company to evaluate their progress…

A: (1) State the hypotheses. That is, there is no evidence to conclude that preference for coke over…

Q: Among students at a nearby college, the proportion who say they're interested in their congressional…

A: Givenn=205x=128p^=xn=128205=0.624α=0.05

Q: A study is made to determine if a cold climate contributes more to absenteeism from school during…

A: Let n1 be the number of students from Baguio  x1 be the number of students absent atleast one day…

Q: More than one teacher has given the following advice: choose answer C when blindly guessing among…

A: Given:

Q: In a random sample of 40 patients undergoing a standard surgical procedure, 14 needed pain…

A: Now use the Z-score for a 95% confidence level, which is approximately 1.96:CI = (p1 - p2) ± Z *…

Q: An automotive service center would like feedback on its customer service. Each customer receives a…

A:

Q: Among students at a nearby college, the proportion who say they're interested in their congressional…

A:

Q: A telephone service representative believes that the proportion of customers completely satisfied…

A: The objective of this question is to find the standard error for the difference in two proportions.…

Q: After a product recall, a company solicits feedback from a random sample of 100 customers regarding…

A: 100 customers : 38 approved 45 disapprove 17 no opinion We have test :  chi-square test statistic…

Q: The sample space for the response of a single person's voting preference consists of three…

A: Let e1, e2, and e3 are the three events represent a person vote for Republican, Democrat and…

Q: 3. Bayesian Inference A cab was involved at night in a hit and run accident. In this town there are…

A:

Q: Have the requirements for a one-sample t-test been met? If they have not been met, leave the…

A: Yes, Mairin selected a random sample from a normally distributed population, and her sample contains…

Q: 2. An entertainment ageney conducted a small study to investigate entertainment preferences by age.…

A: As per guidelines we will only answer first three subparts, please repost other subparts for more…

Q: The two-way table below shows teenage driver gender and whether or not the respondent had texted at…

A: Given data in the problem is  Total no.of male and female drivers=32 Texted atleast once=12  Had not…

Q: An automotive service center would like feedback on its customer service. Each customer receives a…

A: To find: Which type of bias is most likely to be present in the survey results?

Q: Carry out a hypothesis test for a significant difference between the two population proportions, at…

A:

Q: After a product recall, a company solicits feedback from a random sample of 100 customers regarding…

A: Given that, After a product recall, a company solicits feedback from a random sample of 100…