Can hypothesis testing ever prove a hypothesis true? How should we interpret an experiment where we fail to reject the null hypothesis?

Q: I’m testing the claim that a population exceeds .62, the null hypothesis is H0, what is it?

A: H0 = Null Hypothesis H1 = Alternative Hypothesis

Q: 4.36 Speeding on the l-5, Part I. The distribution of passenger vehicle speeds traveling on the…

A:

Q: f you conduct a hypothesis test and, based on your p-value, you decide to reject the null…

A: Solution-: If you conduct a hypothesis test and, based on your p-value , you decide to reject the…

Q: Why can we never accept the null hypothesis

A: Accepting null hypothesis means we are sure that null hypothesis is true. But we cannot we sure. We…

Q: When a new drug is created, the pharmaceutical company must subject it to testing before receiving…

A: Given:   Null Hypothesis: The Drug is unsafe   Type 1 Error: Type 1 error occurs when we reject the…

Q: A college professor states that this year's entering students appear to be smarter than entering…

A: We have given that  this year's entering students appear to be smarter than entering students from…

Q: QUESTION 7 "A student wants to test whether there is a significant difference in IQ scores between…

A: Solution The researcher wants to compare the means for the two independent samples.

Q: A decision to reject the null hypothesis means you have demonstrated that the treatment has no…

A: Given problem Given that   A decision to reject the null hypothesis means you have demonstrated…

Q: (d) Decide whether to reject or fail to reject the null hypothesis and (e) interpret the decision in…

A: Rejection rule: If the test statistic is less than or equal to the critical value then rejects the…

Q: In an hypothesis test the decision was made to fail to reject the null hypothesis. The null…

A: Types of errors: Type-I error: Rejecting the Null Hypothesis H0, when H0 is true. It is denoted by…

Q: A type II error can only be committed if the null hypothesis is false. Otherwise, if the null…

A: The type II error is defined as accepting the null hypothesis when alternative hypothesis is true.

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: vey of randomly selected 8th, 10th and 12th graders from Humboldt County were asked if they used…

A: A Chi-Square for goodness of fit test is a test used to assess whether the observed data can be…

Q: State the null and alternative hypotheses for a hypothesis test Fora. treatment Factor T effect.b.…

A: a)State the testing hypothesis:Null hypothesis:H0: There is no significant difference due to…

Q: Which of the two hypotheses is the researcher always testing to reject or not?

A: The hypotheses are null and alternative hypothesis.

Q: Explain what a null hypothesis and an alternative hypothesis are. Why are these two hypotheses…

A: The null and alternative hypothesis are used in statistical hypothesis testing . The null hypothesis…

Q: True or False: A Type I Error is made by failing to reject the null hypothesis when the null…

A: Given statement is,A Type I Error is made by failing to reject the null hypothesis when the null…

Q: The mayor of a town believes that 45 % of the residents favor annexation of a new bridge. A…

A: In a hypothesis test, the null hypothesis is the initial claim that is based on previous analyses or…

Q: I need help solving this question, I am unsure how to compute a hypothesis test

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Q: (a) Conduct a hypothesis test to determine if these data provide strong evidence that the majority…

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Q: The CEO of a large computer company claims that 80 percent of his customers are "very satisfied"…

A: Formula used: the population proportion p  p = x/n

Q: If the p-value is greater than 0.5, then you have proven the null hypothesis is true. True or False

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

Q: Descibe the difference between the null hypothesis and alternative hypothesis. How do we denote each…

A: In this question we have to explain the difference between null and alternative hypothesis and also…

Q: 1. Define the Null Hypothesis and give an example 2. Define the Alternative Hypothesis and give an…

A: As per the guidelines, it is supposed to answer only 1 question when multiple questions are there.…

Q: what is the alternative and null hypothesis for this question

A: Given that To conduct hypothesis for the relationship between sexual gender and preference for the…

Q: Sick Days in Bed A researcher wishes to see if the average number of sick days a worker takes per…

A: From the provided information, Sample size (n) = 29 Sample mean (x̄) = 4.7 Population standard…

Q: One of the main concerns regarding the HPV vaccine is that once vaccinated teen-agers and young…

A: The hypotheses being tested is ,  Null hypotheses : The  college-aged students (all genders) who…

Q: We are testing whether students learning online perform worse than students learning in person. If…

A: Claim : Students learning online perform worse than students learning in person. The hypotheses…

Q: In 2019 the percentage of people who believed esports should be part of the NCAA was 17%. Suppose we…

A: Given Information :  In 2019 the percentage of people who believed esports should be part of the…

Q: A college professor states that this year's entering students appear to be smarter than entering…

A: GivenA college professor states that this year's entering students appear to be smarter than…

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: if we do not reject the null hypothesis when the null hypothesis is in error, then we have made a…

A: We know that- Type I error- Rejecting the null hypothesis when it is actually true. Type II error-…

Q: What does it mean when the null hypothesis is rejected? a. The null hypothesis is incorrect. b. The…

A: What does it mean when the null hypothesis is rejected.

Q: A Type I error is:   Select one: incorrectly specifying the null hypothesis. accepting the null…

A: Here we have to select the correct option for Type I error

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

A: Given data: claim = alternative hypothesis and we fail to reject the null hypothesis, To decide:…

Q: A man is on trial accused of murder in the first degree. The prosecutor presents evidence that he…

A:

Q: If you make an error of rejecting the null hypothesis when it is true, this type of error is Type I…

A: According to the given information in this question We need to identify the correct option

Q: Data shows that 11% of fatal vehicle accidents involved large trucks. A statistician for an…

A: Given,n=200x=26sample proportion(p^)=xnp^=26200p^=0.13population proportion…

Q: You complete a hypothesis test using α = .05, and based on the evidence from the sample, your…

A: Type II error : The probability of accepting ( not rejecting ) the null hypothesis H0 when the…

Q: A medical researcher claims that 70% of people pay for prescriptions with private insurance, 25% pay…

A: Let p1 be the proportion of people who pay for prescriptions with private insurance, p2 be the…

Q: A Type I error is making a correct decision in a hypothesis test. when a correct null hypothesis is…

A: Given data A type 1 error is

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: If the null hypothesis is not rejected when the null hypothesis is in error, what type of error, if…

A: In this case, null hypothesis is not rejected.

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

A:

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.