Continuing with Problem #1, what is your decision (reject the null hypothesis or do not reject the null hypothesis)? Fill in the blank with either "reject" or "do not reject"

Q: If we do not reject the null hypothesis, can we claim to have proven that the null hypothesis is…

A: Given statement If we do not reject the null hypothesis , can we claim to have proven that the null…

Q: QUESTION 6 Suppose that we are considering ACT scores. We wish to test the hypothesis that on…

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Q: How on earth do I make the problem for the Hypothesis test?

A: A test of a statistical hypothesis H is a rule or procedure of deciding whether to reject or accept…

Q: If we do not reject the null hypothesis when the alternative hypothesis is true, we have made a…

A: Fill in the required  blank

Q: What is our null hypothesis?

A: We are interested in whether the different factors of performance, reliability, and style influence…

Q: Please come up with a research hypothesis H1 and note the corresponding null hypothesis (H0). why we…

A: A research hypothesis is a formal statement of the expected relationship between two or more…

Q: The statement that you want to find statistical evidence for is the hypothesis. O a. alternative O…

A: We need to find the appropriate hypothesis for which we want to find statistical evidence .

Q: Problems pertain to the P-value approach to hypothesis testing. State the general steps of the…

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Q: Problem 2 Claim: A fire station publicizes that at least 20% of applicants become firefighters. Let…

A: Given: p=20%=0.20

Q: The major of a very small town wants to compare the number of flu cases that she has in her town(a…

A: We have to find hypothesis for given data..

Q: Part 1 of 4 State the appropriate null and alternate hypotheses. H P1 = P2 H P P2 This hypothesis…

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Q: What does it mean if you reject the null hypothesis? What do you mean if you fail to reject the null…

A: The null hypothesis is denoted by H0 and alternative hypothesis is denoted by H1 . The null…

Q: Explain what it means to accept the null hypothesis?

A: We need to define null and alternative hypothesis.

Q: If the null hypothesis states H0: E(Y) = , explain the difference between a two-sided vs a one-sided…

A: The null and alternative hypothesis are two mutually exclusive statements about a population.

Q: what would happen if you mixed up the null and alternative hypothesis

A: The hypothesis that there is no significant difference between specified populations, any observed…

Q: Which of the following statements are accurate?

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Q: Part 1.1. A statistical test measures the experimental strength of evidence against the ____…

A: The null hypothesis is a statement that the value of the population parameter is equal to some…

Q: 17) A Type I error is the mistake of A) failing to reject the null hypothesis B) failing to reject…

A: Type 1 error states that, reject the null hypothesis when the null hypothesis is true.

Q: d) Based on your answers to the previous parts of this problem, do you reject the null hypothesis or…

A: Z test is one of the important tests that we use in statistical inference when population means and…

Q: An hypothesis differs from a theory in that?

A: Define hypothesis and theory:Hypothesis:Hypothesis is an assumption about the parameter of the…

Q: According to the wall street journal, in 2011 the average (or mean) cable bill was $ 128 per month.…

A:

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

A: Given that starting salary for child clinical psychologist is $165,000. Alternate Hypothesis: It is…

Q: An example of a hypothesis that is not refutable. Why is it not refutable?

A: Refutable hypothesis is the one which proves the statement to be false or erroneous. Thus, not…

Q: If the null hypothesis is false then which of the following is accepted? Select one: O a. Positive…

A: The objective is find if the null hypothesis is false, then which of the given is accepted.

Q: when do we reject the null hypothesis?

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: the null hypothesis as a result of the statistical testing, when in fact the null hypothesis is

A: Type 1  error is denoted by alpha .  Where  alpha or α is the significance level. Type 2 error is…

Q: A professor suspects that the more often students attend their online lecture the better they will…

A: Here Given  Professor claims that more often students attend their online lecture the better they…

Q: A. Express the null hypothesis Ho and the alternative hypothesis H. in notation form in the…

A: Hypothesis is an assumed statement or assertion about the parameter. The hypothesis test would…

Q: Referring to Table 1, the null hypothesis should not be rejected:   Question 4 options:   1)  True…

A: Given:

Q: You accept the alternative hypothesis when you reject the null hypothesis. justify the above…

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Q: Example 2: Bryan coaches track and field at a local high school and during the previous season he…

A: Let μM be the population mean for morning, and μA be the population mean for afternoon. The claim is…

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: Are you using a one-sided (directional) or two-sided (non-directional) alternative hypothesis?…

A: Given, Null Hypothesis               H0:μ=3  Alternative Hypothesis    H1:μ≠3

Q: Below is a hypothesis test set up by a student who recently took introductory statistics: Họ: x = 5…

A: If sample mean = 4.2  and population mean = 5  This means , alternative hypothesis should be Ha: x…

Q: When the null hypothesis is found to be true, the alternative hypothesis must also be true

A: Provided statement is,  When the null hypothesis is found to be true, the alternative hypothesis…

Q: new blood test is being developed to screen patients for cancer. Positive results are followed up by…

A: A new blood test is being developed to screen patients for cancer. Positive results are followed up…

Q: Problem B The manufacturer of a patent Chinese medicine claimed that it was 90% effective in…

A: We have given that Claim is 90% p = 90% = 90/100 = 0.90 n = 200x = 160p̂ = x/n = 160/200 = 0.80

Q: of the following below could be the null hypothesis ? ( look at the ima

A: In this case, the claim is that students are getting less than about 12 hours per 24 hours.

Q: What does it mean when we reject the null hypothesis? What conclusion do we make, etc.? Explain in…

A: Here we want to give conclusion when we reject null hypothesis.

Q: Questions d and e

A: D.It is provided that the significance level is 0.05.So, P(committing Type I error)=0.05 in a single…

Q: If your claim is in the alternative hypothesis and you fail to reject the null hypothesis, then your…

A: Null hypothesis is denoted H0 and alternative hypothesis is denoted H1 or Ha

Q: (a) Suppose you test a new medication and reject the null hypothesis (you conclude the medicine…

A: a) Given Data: You rejected the null hypothesis   If the null hypothesis is true, we could have made…

Q: What is the difference between simple hypothesis and a composite hypothesis? Why might economists…

A: Our aim is to discuss the difference between simple hypothesis and a composite hypothesis.

Q: The goal of research is to prove that the null hypothesis is true. True False

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Q: If we do not reject the null hypothesis when the null hypothesis is in false, then we have made a

A: Solution: Type I error: Reject the null hypothesis even though it is true.

Q: If you are not able to prove the alternative hypothesis, this means the null hypothesis is correct.…

A: Null Hypothesis: A hypothesis which is tested for plausible rejection is called the Null Hypothesis…

Q: The alternative hypothesis is also called the:       A. Null hypothesis       B. Statistical…

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Q: If you fail to reject the null hypothesis when it is, in fact, false; what type of error is this…

A: In statistical hypothesis testing, we have two types of errors. 1. Type I error 2. Type II error

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.