The proportion of high school students who participate in extra-curricular activities is at least 0.64.  Identify the null hypothesis and alternative hypothesis in symbolic form.

Q: Need P-Value, Decision on the Null hypothesis, and Interpret the Result, answered thank you.

A:

Q: 4. The principal of San Miguel National High School claims that the students in her school have…

A: Given: Population mean, μ=115

Q: Carter Motor Company claims that its new​ sedan, the​ Libra, will average better than 31 miles per…

A: The true average mileage of the Libra denoted as μ. The claim of the test is that its new sedan the…

Q: Is the null hypothesis Ho rejected at the a = 5% level?

A: here given data of blood type of americans

Q: When the p-value is used for hypothesis testing, the null hypothesis is rejected if p- value = 1-a B…

A:

Q: 10) In 2015, the average math SAT score for students at South Hanover High School was 520. Five…

A: Given that, the average math SAT score of students at the school is not equal to 520, but the result…

Q: The p-value for a hypothesis test turns out to be 0.08621. At a 5% level of significance, what is…

A: Decision rule : Reject H0 if P-value  <  α

Q: State the null and the alternative hypothesis. Ho:

A: given n1= 16 with mean = 415.6  and variance = 1356.75 n2 = 13 with mean = 347.4 and variance =…

Q: Come up with your own hypothesis testing scenario. What is an example of a null and research…

A: Suppose it is claimed that the average weekly salary of a waiter at restaurant in USA is $800 with…

Q: which figure is the null hypothesis, and which figure is the alternative hypothesis

A: The null hypothesis is denoted by Ho and alternative hypothesis is denoted by Ha or H1.

Q: Researcher A uses a sample of n = 100 for their hypothesis test while Researcher B uses a sample of…

A: Standard error is the error due to random sampling. Population is the set of all objects of…

Q: Select the correct null hypothesis, Ho, and alternative hypothesis, Ha, in symbolic form. A chain of…

A:

Q: The null hypothesis is a claim about a:

A: It is needed to explain about the null hypothesis.

Q: Write the company's alternative hypotheses.

A: Test is that whether the market shares increases with new labels.

Q: Test the null hypothesis B= 60 against the alternative hypothesis B > 60 at the 0.01 level of…

A: Assuming that part b and c are already completed and regression model has been fitted using…

Q: Define the Alternative Hypothesis and give an example.

A: Alternative hypothesis say that there is statistically significant relationship between two…

Q: The mean SAT score in mathematics is so6. The founders of a nationwide SAT preparation course claim…

A: Null hypothesis: Null hypothesis is the statement about parameter of population. Alternative…

Q: A group of doctors is deciding whether or not to perform an operation. Suppose the null hypothesis,…

A: Type 1 error It can be stated as the surgery will go well, but the doctors think that the surgery…

Q: The shop floor manager in a dairy company believes that the milk packaging process unit for 1 liter…

A: Null hypothesis:  A hypothesis of no difference is called as null hypothesis. It is denoted by H0…

Q: When the p-value is used for hypothesis testing, the null hypothesis is rejected if _____.…

A: Definition: The p-value can be defined as the probability of obtaining a test statistic that is at…

Q: If a CEO claims that .35 of the organization's employees hold an advanced degree, .60 hold a 4-year…

A: here use test of comparing Proportion

Q: When the p-value is used for hypothesis testing, the null hypothesis is rejected if O a. a a O d.…

A: The p-value is the prior probability that an observed test statistic is at least as extreme given…

Q: university reports that the cost of textbooks is at most $250.  State the null and alternative…

A: We have given that  Population mean = 250  And i want to define  null and alternative hypothesis.

Q: In hypothesis testing, why can't the hypothesis be proved true?

A: Answer:-  Option C is the correct answer.

Q: Define the Null Hypothesis and give an example

A: In statistics null hypothesis say that there is no statistical significance. It generally states…

Q: If the level of significance for a test for independency was 5% and the p-value was 0.03, what would…

A: Given,   P-value = 0.03 Level of significance = 0.05   The objective is to find the conclusion.

Q: A survey in Newsweek in 1999 asked 747 randomly selected women “how satisfied are you with your…

A: In the given situation, the two variables are possible responses and women age. Here, we need check…

Q: State whether each of the following hypothesis tests is valid or not, if not explain why. a. H0 ∶…

A: No difference hypothesis is taken under null hypothesis always.

Q: Massachusetts Institute of Technology grants pirate certificates to those students who successfully…

A: Claim: Test the claim that those students who go on to earn pirate certificates are able to hit a…

Q: If a hypothesis test leads to the rejection of the null hypothesis, a _____.   a. Type II…

A: Type I error is the rejection of a true null hypothesis, while a Type II error is the non-rejection…

Q: A college informs incoming students that the starting salary for a child clinical psychiatrist is…

A: Hypothesis:Hypothesis is an assumption about the parameter of the population which will be made on…

Q: The average person spends over 5 years of his or her life on social media. State the null and…

A: The average person spends over 5 years of his or her life on social media.  Here we use hypothesis…

Q: When the p-value is used for hypothesis testing, the null hypothesis is rejected if O a. p-value a

A: if p-value is less than a(level of significance ) then null hypothesis is rejected.

Q: A recent survey of college campuses across Ontario claims that on average students spend more than…

A: Given : Claim : Average students spend more than 2.7 hours a day using their cell phones.

Q: In a smaller animal shelter, 12 cats and 5 dogs are being accommodated. Table below shows age group…

A: Given : n1 = no of dogs in the sample n1 = 5 n2 = no of cats in the sample n2 = 12 x1 = no of old…

Q: Briefly discuss the five steps in the hypothesis testing procedure.

A: 5 steps for the hypothesis testing procedure is given by

Q: shopkeeper wonders if number of their female and male customers are equal or not. They count the…

A:

Q: What is the null hypothesis H0 and the alternative hypothesis H1?

A: Here p=76%              =76/100            =0.76 So null and alternative hypothesis is  Null…

Q: or each pair of hypotheses that follows, decide whether H₀ and H₁ are set up correctly as the null…

A: The null hypothesis can be defined as the hypothesis of no difference or equality, while the…

Q: The mean SAT score in mathematics is 516. The founders of a nationwide SAT preparation course claim…

A:

Q: Select the correct null hypothesis, H0, and alternative hypothesis, Ha, in symbolic form. A chain…

A: The hypothesis with no differences is known as null hypothesis. The complementary hypothesis to the…

Q: A recent article in a university newspaper claimed that the proportion of students who commute more…

A: Claim : The proportion of students who commute more than 15 miles to school is no more than 20%. Let…

Q: Assuming that the claim falls under the null​ hypothesis, correctly complete the sentence below.…

A: the claim falls under the null​ hypothesis

Q: The proportion of residents in a community who recycle has traditionally been 65%. A policy maker…

A: The proportion of residents in a community who recycle has traditionally been 65%. A policy maker…

Q: The mean SAT Score in mathematics is 506. The founders of a nationwide SAT preparation course claim…

A: Null and alternative hypotheses: The hypothesis which is tentatively fixed up under and tested for…

Q: What are the symbols associated with the null hypothesis and alternative hypothesis below: H0: pain…

A: According to the provided information, H0: pain is independent of hair color  H1: pain is dependent…

Q: (a) Identify the null hypothesis and alternative hypothesis.

A: Hypothesis: Hypothesis is an assumption about the parameter of the population which will be made on…

Q: State whether it is a correctly stated hypothesis testing problem and why. (a) Ho: µ = 25, H1: µ ≠…

A: We have given that,  State whether it is a correctly stated hypothesis testing problem and why. (a)…

Q: Explain why the null hypothesis H0: u1=u2 is equivalent to the null hypothesis H0: u1-u2=0

A: In statistical inference using mean, standard deviation, average, proportion, etc we calculate the…

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.