Movie theaters make as much as 85% profit on items sold at the concession stand. Without snacks at the movies, there would be no movies! A theater owner suspected that less than half of his customers purchased food at the concession counter. To examine this claim, a random sample of 80 patrons was selected and 35 of them purchased food.  a. State the hypotheses in symbols and words to test the theater owner's claim. b. Calculate the test statistic c. Calculate the p-value d. Interpret the p-value e. State the conclusion of the test.

Q: According to the exit polls during the election for the Vermont governor, 457 of the 837 voters…

A: Using z test for one proportion

Q: In a poll, 1.004 adults in a country were asked whether they favor or oppose the use of ederal tax…

A: Solution: From the given information, the number of number of adults participated in the poll is…

Q: A university dean wants to estimate the percentage of students at her university who drink alcohol…

A:

Q: 1.What would happen to the confidence intervals if you changed the level of confidence? 2.What…

A: The general formula for calculating width of the confidence interval for the population proportuon…

Q: A statistics instructor believes fewer than 20% of Clayton State University students attended the…

A: The random variable is attending the midnight showing.We have to write the null and alternative…

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: In 2011, a U.S. Census report determined that 60% of college students are working students. A…

A: a. To find whether the proportion of pf working students has changed, the null and alternative…

Q: A poll of 1144 Americans showed that 47.2% of the respondents prefer to watch the news rather than…

A: (a) That is, there is no evidence to conclude that the population proportion of all Americans who…

Q: To predict the outcome of the next congressional election, you take a survey of your friends. Is…

A: If one takes the survey of their friends or known person, then there is a high chance of biasedness…

Q: An anger-management course claims that, after completing its seminar, participants will lose their…

A: (1)

Q: a population of fish, approximately 47% are female. A test is conducted to see if, in fact, the…

A: A null hypothesis is a type of hypothesis which is used in statistics. It states that there is no…

Q: A small college has been accused of gender bias in its admissions to graduate programs.a. Out of 500…

A: The objective of the question is to determine if there is gender bias in the college's admissions by…

Q: Gallup conducted a survey of 1,015 randomly selected U.S. adults about "Black Friday" shopping. They…

A:

Q: An anger-management course claims that, after completing its seminar, participants will lose their…

A:

Q: A. Find the value of the test statistic. (Round your answer to two or more decimal places.) B. Find…

A: Given:

Q: In populations of field mice the coats of some individuals are spotted on the belly. Most…

A: Givensample size(n)=570x=42p^=xn=42570=0.0737α=0.05

Q: b-2. Find the p-value. O p-value < 0.005 O 0.010 Picture p-value < 0.025 O 0.025 Picture p-value <…

A:

Q: 2. An article in a magazine on financial affairs claimed that adults have access to an average of…

A: Given data is ; 5 2 5 6 5 3 9 6 3 8 6 9 8 5 9 0 4 6 5 2 6 7  4 0 sample size(n) = 24 population…

Q: Answer the following problems and explain your answers for better understanding.

A: Before we start, let's understand the difference between descriptive and inferential statistics.…

Q: A telecommunications company provided its cable TV subscribers with free access to a new channel for…

A: We have to perform Z test for single proportion.

Q: Which is a legitimate reason to collect data?   A. Out of curiosity   B. To test a hypothesis…

A: Introduction: In Statistics, data can be defined as information collected from some elements of…

Q: A telecommunications company provided its cable TV subscribers with free access to a new sports…

A: Solution: Given information: n= 600 Sample size of television viewers. x= 100  subscribers replied…

Q: A research group conducted an extensive survey of 3093 wage and salaried workers on issues ranging…

A:

Q: In 2002, the General Social Survey conducted by StatsSA, participants was asked the following…

A: Test is that whether there is a relationship between death penalty and marjuana beliefs.

Q: l land with the buttered side down when dropped. Identify the null and alternative hypotheses to…

A: Given that  n=55 , X=21 X=buttered toast will land the buttered side down p=50%  Note: According to…

Q: 2. Is there a difference in the proportion of individuals with food allergies between young children…

A: (a) Claim: Test the hypothesis that there a difference in the proportion of individuals with food…

Q: A psychologist would like to examine the effects of different testing methods on the final…

A: Given that, G=36, ∑ X2=164 Grand mean=36/12=3 SS Quizzes=10 ; SS Exams=10 ; SS Final=4 SS…

Q: Measures of effect size are useful because? a. they can be use with almost any statistical test b.…

A: Dear students as per guidelines we answer the first question only when multiple different question…

Q: Quinnipiac University Poll is a leading polling organization. In May 2019, it released a survey…

A: For Republicans,   Proportion of positive results = P = x/N = 0.68 sample size =N=213Standard error…

Q: In statistical surveys where individuals are randomly chosen and asked​ questions, experience has…

A: From the above given data the following solution is provided below:

Q: 3. In a study done in Michigan, it was determined 38 (out of 62) poor children who attended…

A: given that

Q: According to the most recent data, 10.6% of engineers (electrical, mechanical, civil, and…

A: Given  p=10.6%, n=75

Q: In a 2021 poll by the Public Religion Research Institution, 2,508 Americans were asked if they agree…

A: Given: n = 2508 The margin of error E = 2.1 Formula Used: σ = EnZ

Q: A statistics professor wants to see if more than 8o% of her students enjoyed her class. At the end…

A: There are two hypotheses null and alternative hypothesis, Null hypothesis = H0: The hypothesis says…

Q: The College Board reported that 58.7% of all students who took the 2010 AP Statistics exam earned…

A: Given,n=54x=34P^=xn=3454=0.6296H0:P=0.587H1:P&gt;0.587α=0.05

Q: 3. In early April, about 14% of San Diego tested positive for Coronavirus. We randomly selected 300…

A: Given,population proportion(P)=0.14sample size(n)=300and X=60α=0.01 Sample proportion(p^)=XnSample…

Q: A researcher wants to see if people in California were less likely to eat turkey on Thanksgiving…

A: From the provided information,

Q: In 1948, an organization surveyed 1100 adults and​ asked, "Are you a total abstainer​ from, or do…

A: Here we have , X1 = 429, N1 = 1100 , p1 ^= x1n1 = 0.39 X2 = 363 , N2 = 1100 , p2 ^= x2n2 = 0.33

Q: When performing tests of inference, we are drawing conclusions about: A.  A populaton B.  A sample…

A: Population can be defined as the cluster of all the individuals whose characteristics a researcher…

Q: 4. In an advanced ballet dance class, it is claimed that 42% of dancers can successfully perform a…

A: Given,

Q: c. Based on your p-value, write out a conclusion, being sure to include justification. d. The data…

A:

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.