A politician believes that 60% of constituents are in favor of a particular issue. She takes a sample of 100 constituents and finds that 55 favor the issue. If you were to conduct a hypothesis test of this claim, what would be the null hypothesis?

Q: If the null hypothesis is rejected at a level of significance of 5%, then in some cases, it could be…

A: We have to find the statement is true or false..

Q: are conducting a study to see if the accuracy rate for fingerprint identification is significantly…

A: A hypothesis is said to be left tailed, if the population parameter is less than some hypothesized…

Q: A decade-old study found that the proportion of high school seniors who felt that "getting rich" was…

A: Given information- We have given that the proportion of high school seniors who felt "getting rich"…

Q: Problems pertain to the P-value approach to hypothesis testing. Assess the evidence against the null…

A: The below table explains the evidence against null hypothesis corresponding to the p-values:

Q: The mathematics department at one university reports that the failure rate for College Algebra is no…

A: 2 types of errors. Type 1: Rejecting null hypothesis when it is True Type 2: Fail to reject null…

Q: What is meant when we say that a hypothesis test is a. exact?b. approximately correct?

A:

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: Since the latest Axios poll said that 44% of Americans said that kneeling was appropriate, we will…

A: After asking the 50 people , Lets assume : Number of people who said kneeling during national anthem…

Q: In 1942, an organization surveyed 1100 adults and asked, "Are you a total abstainer from, or do you…

A:

Q: If you conduct a hypothesis test every so often at a 95% level, about what fraction of the time do…

A:

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 politician believes that 60% of constituents are in favor of a particular issue. She takes a…

A: Null hypothesis:A statistical hypothesis which is assumed and whose validity is tested for possible…

Q: A decade-old study found that the proportion of high school seniors who felt that "getting rich" was…

A: Given thatA decade-old study found that the proportion of high school seniors who felt that "Getting…

Q: A decade-old study found that the proportion of high school seniors who felt that "getting rich" was…

A: Given that  p=72%=0.72 Null hypothesis=H0  , Alternate hypothesis=H1

Q: L12Q2.The average scores of students in the final exam in two neighboring colleges are equal. If a…

A: Testing of hypothesis is a rule which, when the sample values have been obtained, leads to a…

Q: The currently used medicine is successful for 26% of patients. A new experimental medication is…

A: sample size(n)=500no.of patients successful for new experimental medication (X)=140sample proportion…

Q: A random sample of 100 students at a high school was asked whether they would ask their father or…

A: There are two independent samples which are follows normal distribution. The number of successes,…

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: 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: A decade-old study found that the proportion of high school seniors who felt that "getting rich" was…

A: From the provided information, The proportion of high school seniors who felt that “getting rich”…

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

A: Alpha = 0.05 Two tailed test Zstat = 1.2

Q: With H1: p < 0.32, a test statistic is z = -1.23.  Use a 0.01 significance level to find the…

A: Given that,null,  Ho:p=0.32  alternate,  H1: p&lt;0.32level of significance, alpha = 0.01

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: health provider saw that 48% of their members received their flu shot in recent years. The health…

A: Hypothesis testing plays a major role in research and development. To diagnose the underlying cause…

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: 3. Today, in a random sample of 30 people, Trump received an approval rating of 30% world- wide. On…

A:

Q: In the recent census, three percent of the U.S. population reported being two or more races.…

A: From the given information, Consider, p1= The Proportion of North Dakotans who are reported being of…

Q: In tests of significance, it is possible to reject the null hypothesis and yet still have a…

A: Given that the null hypothesis is rejected.

Q: A researchers claims 45% of couples have children. They conduct a hypothesis test and reject the…

A: Type I Error : Reject H0 when H0 is true.

Q: The alternative hypothesis, denoted by H1, represents the opposite of the null hypothesis and is…

A: Introduction: Denote the null hypothesis as H0, and the alternative hypothesis as H1.

Q: A car manufacturer advertises that its new subcompact models get 47 mpg. Ifu is the mileage of these…

A:

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: In hypothesis testing, when should we use alpha and beta?

A: In Hypothesis testing alpha ɑ = It is a type 1 error, i.e. Rejecting the null hypothesis when it is…

Q: A presidential candidate claims that the proportion of college students who are registered to vote…

A: Claim : proportion of college students who are registered to vote In the upcoming election is at…

Q: A decade-old study found that the proportion of high school seniors who felt that "getting rich" was…

A: Given,   Claim: Suppose that we have reason to believe that this proportion has changed, and we wish…

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: A politician believes that 60% of constituents are in favor of a particular issue. She takes a…

A: The hypotheses are given below:

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: If a hypothesis test were conducted using a 5% level of significance, for which of the following…

A: From the above data. If a hypothesis test were conducted using a 5% level of significance, for which…

Q: Assess the evidence against the null hypothesis if the P-value of the hypothesis test is 0.062.

A:

Q: The alternative hypothesis, denoted by Hl, represents the opposite of the null hypothesis and is…

A: Given that  Alternative hypothesis is denoted by H1.

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

A:

Q: A newsletter publisher believes that 29% of their readers own a laptop. Is there sufficient evidence…

A: Let p be the proportion for readers own a laptop  Given p=29%=0.29, level of significance ɑ=0.05

Q: A decade-old study found that the proportion of high school seniors who felt that "getting rich" was…

A: Given :

Q: Which is the alternative hypothesis?

A: Let the independent variable x denote the persons age Let the dependent variable y denote the number…

Q: A hospital claims that the proportion of full-term babies born in the hospital who weigh less than…

A: null hypothesis H0: p=0.42 i. e. proportion of full-term babies, born in the hospital who weigh less…

Q: In a hypothesis test with hypotheses H:p 0.58 a random sample of size 900 produced a sample…

A: H0 : p ≤0.58 H1 : p &gt; 0.58 Level of significance = 0.025 Given that, p = 0.06 n = 900 x = n*p =…

Q: Can you state the null hypothesis H0 and the alternative hypothesis H1?

A: It is given that the proportion p of residents in a community who recycle has traditionally been…

Q: Why is the null hypothesis H0: μ = 0?

A: Hypotheses: Hypotheses is the plural form for hypothesis. Hypothesis is a statement about 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.