In a two-tailed test of hypothesis, the sign in the alternative hypothesis is: not equal to b. greater than c. less than d. equal to

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: If you use a 0.05 level of significance in a​ two-tail hypothesis​ test, what decision will you make…

A:

Q: In a Chi-square analysis, what condition causes one to reject (fail to accept) the null hypothesis?

A: Causes to reject Null hypothesis in Chi-square

Q: Is it one tailed, or two tailed? I thought two because the hypothesis is non-directional

A:

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

A: here given data of blood type of americans

Q: In a two-tailed test, with α=0.01 , and N is 41. b) Is the tobt of +4.0 of significant?

A: b) The level of significance is 0.01. The degrees of freedom is, df=n-1=41-1=40 Computation of…

Q: According to a 2001 Reader's Digest article, S0% of physicians over the age of 55 have been sued at…

A:

Q: 12. The sign of the alternative hypothesis in a right-tailed test is always A. equal B. not equal C.…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: If a hypothesis test were conducted using a = 0.05, then the p-values would the null hypothesis be…

A: Given: Level of significance = 0.05 p-value = 0.06

Q: In a paired t-test, failing to reject the null hypothesis proves that the paired means are equal. O…

A: In paired t test, Null Hypothesis: H0: The paired means are equal. Alternative Hypothesis: H1: The…

Q: The mean repair bill of cars is greater than $110. A) Write the null and alternative hypotheses. B)…

A: In this question, we have a given statement, using that statement we have to find the null and…

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: State whether the null hypothesis should be rejected on the basis of the given P-value. P-value =…

A: Decision rule: If p-value ≤ α, then reject the null hypothesis. Otherwise, fail to reject the null…

Q: A laptop manufacturer claims that the mean life of the battery for a certain model laptop is less…

A: From the given information, the claim is that the mean life of battery for a certain model laptop is…

Q: Consider the hypothesis test of H:a = 7 against H,: A 7. Approimate the Pvalue for each of the…

A:

Q: In the criminal justice system, a defendant is innocent until proven guilty. Therefore, the null…

A: a. Type I error: The type I error is the rejection of the null hypothesis when it is actually true.…

Q: In the absence of compelling reasons for a one-tailed test, which test must be used?

A:

Q: In the following​ situations, is the alternative hypothesis​ one-sided or​ two-sided? What are the​…

A: Introduction: A one-sided alternative hypothesis may be of the greater-than type or right-tailed…

Q: A hypothesis test was conducted to see if a vaccination reduces the risk of contracting The…

A: Type of error - Type II It means fail to reject H0, when it is false.

Q: A laptop manufacturer claims that the mean life of the battery for a certain model laptop is less…

A: A laptop manufacturer claims that the mean life of the battery for a certain model laptop is less…

Q: Claim: A majority of adults would erase all of their personal information online if they could. A…

A: Let p be the population proportion  Given  p=58%=0.58

Q: According to the Centers of Disease Control, about 22% of American young people between the ages of…

A: Givenabout 22% of the american young people between the ages of 12 and19 are obeseclaim is that the…

Q: The p-value for a hypothesis test turns out to be 0.09064. At a 5% level of significance, what is…

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

Q: If p- value is greater than alfa, the null hypothesis is not rejected. True O False

A: The p-value measures the probability of getting a more extreme value than the one you got from the…

Q: A certain university claims that for the last school year the proportion of students who were not…

A: Given that  Claim : The proportion of students who were not able to earn a college diploma is at…

Q: If the p-value is greater than a ,we do not reject the null hypothesis (p > * (a True False

A:

Q: If your null and alternative hypothesis are: H0:p1=p2H0:p1=p2 H1:p1≠p2H1:p1≠p2 Then the test is:…

A:

Q: State the null and alternative hypothesis, and identify which represents the claim. d) According to…

A: The objective is to state the null and alternative hypothesis, and identify which represents the…

Q: Traditionally In hypothesis testing, the null hypothesis represents the "status quo" which will be…

A: Note:  In null hypothesis (Ho), we always talk about equal sign such that (1)production of two…

Q: What is the p-value if, in a two-tail hypothesis test, ZSTAT = +2.00?

A: Given, A two-tailed test with z-stat=+2.00

Q: Her uiat ue an to vote yes on the new p is a correct interpretation of this p-value? approximately…

A: Solution

Q: If the level of significance in a hypothesis test is 1 %, what would the p-value have to be for…

A: We fail to reject the null hypothesis when the p value is greater than the significance level. We…

Q: Suppose a business person wishes to open a store in a local shopping centre only if there is strong…

A:

Q: Suppose your psychic friend correctly identified more than 25% of the cards.   a. A hypothesis test…

A: A friend who claims to be a  psychic,  correctly identified suits of 100 cards more than 25%.A…

Q: A student pursuing a degree in English as a second language believes the proportion female factory…

A: From the given information, let X1 be the female factory workers that could not speak English. X1 =…

Q: If the p-value is less than or equal to a ,we reject the alternative * (hypothesis (p s a True False

A: We have to identify given statement is true or false?

Q: Traditionally in hypothesis testing, the null hypothesis represents the "status quo" which will be…

A: Traditionally in hypothesis testing, the null hypothesis represents the "status quo" which will be…

Q: It is a known fact that 50% of all Americans are male. A researcher wants to see if the percent of…

A: 1) Answer is true, since comparing two proportions.

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

A: the claim falls under the null​ hypothesis

Q: Suppose you are conducting a hypothesis test and you find a P-value of .17. Is there sufficient…

A: Decision Rule: If p-value ≤ α, then reject the null hypothesis. Given information, P=0.17 α=0.10

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: Express the null hypothesis and the alternative hypothesis  in notation form in the following…

A: To express the Null hypothesis and Alternative Hypothesis in notation form for the given statment…

Q: Which of the following accurately describes a hypothesis test?

A: We know that the hypothesis testing is a part of drawing inference about population.

Q: A study found that 13% of Americans have seen or sensed the presence of an angel. A contingent…

A:

Q: The results of an independent-measures research study are reported as 'p > .05'. What was the…

A: We have to give conclusion.

Q: The proportion of business improvement loan applications turned down in this country is equal to 15%…

A: According to the given information in this question The null hypothesis is   H0 : p = 0.15

Q: P value < a/2, on a two-tailed hypothesis test would lead to rejecting H,

A: