If the hypothesis test results in a p-value of 0.08 would we be able to reject the null hypothesis using an alpha of 0.10?   Question 3 options:   yes   no   need more information to decide

Q: A well-known brokerage firm executive claimed that at least 68 % of investors are currently…

A: Ho: p=0.68 Vs Ha: p<0.68  n=75, X=42

Q: The local Hannaford is tracking mask compliance in their stores. In mid-March they found that only…

A: We have to find null hypothesis....

Q: A well-known brokerage firm executive claimed that at least 66 % of investors are currently…

A: given data claim : p ≥ 0.66n = 78x = 45

Q: In a hypothesis test with a = 0.05 the p-value is calculated to be 0.02. What decision should be…

A: we have find  decision.

Q: A well-known brokerage firm executive claimed that at least 52 % of investors are currently…

A: Given that,  x=33,n=69 The sample proportion is, Null and alternative hypothesis:

Q: A claim is made that 10% of college students major in Psychology. You believe that this claimed…

A: When testing the hypothesis for population proportion, it is often assumed that the sample…

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: You are conducting a multinomial hypothesis test (αα = 0.05) for the claim that all 5 categories are…

A: According to our policy we can answered only first a three sub part for remaining please repost the…

Q: Use the following scenario to conduct a hypothesis test.  You will again go through the different…

A: Given: p = 0.58 x = 364 n = 682 α = 0.05

Q: meeting their investment goals. An XYZ Investor Optimism Survey, conducted over a two week period,…

A:

Q: Pew research asked random sample of 1000 US adults whether they supported increased usage of coal to…

A: The p-value region is to be shaded considering the various interpretation of the alternate…

Q: You are conducting a multinomial hypothesis test (αα = 0.05) for the claim that all 5 categories are…

A: For the given data Perform chi square goodness of fit test

Q: A recent drug survey showed an increase in use of drugs and alcohol among local high school seniors…

A: Denote p1, p2 as the true population proportions of drug users for local and national seniors…

Q: Researcher shiela used a hypothesis test to test the effectiveness of a drug she is developing. She…

A: Given Data:   Null and Alternate Hypothesis: H0: μM=μFHA: μM≠μF   P-value=0.005

Q: You conduct a two-sided hypothesis test (α= 0.05), and obtain a Z-score equal to -2.3 (N is large).…

A:

Q: A hypothesis test produces t = 2.062 for a sample of n = 25 scores. For a two-tailed test with a =…

A: Given:  Hypothesis testing two tailed test  with test statistic t=2.062   sample size n=25  At level…

Q: 3.4      What have you decided to do with the null hypothesis? How did you make this decision? 3.5…

A: The null and alternative hypothesis is, Level of significance, α=0.05 The critical region is,…

Q: A well-known brokerage firm executive claimed that at least 37 % of investors are currently…

A:

Q: Typical values for alpha generally range from 1% to 10% for hypothesis testing. Select one: O True O…

A: Alpha represents significance level

Q: What is the chi-square test-statistic for this data? (Report answer accurate to three decimal…

A: here use given frequency table

Q: You are conducting a multinomial hypothesis test (αα = 0.05) for the claim that all 5 categories are…

A: In statistical hypothesis test, a chi-square test, or specifically Pearson's chi-square test is…

Q: Question 35 If the p-value is greater than alpha in a two-tail test, what decision should you make?…

A: Note:  if we know in the relevant test; p-value and significance level α then our decision is;…

Q: A recent drug survey showed an increase in use of drugs and alcohol among local high school seniors…

A: From the given information, it can be observed that the samples involve the difference in…

Q: 11% of all Americans suffer from sleep apnea. A researcher suspects that a different percentage of…

A: For the given data Perform Z test for one population proportion

Q: 12% of all Americans suffer from sleep apnea. A researcher suspects that a higher percentage of thos…

A:

Q: is a 1.5% chance that you made a Type I error.   there is a 2.5% chance that you made a Type I…

A:

Q: Compared to a z-score, a hypothesis test with a t statistic requires less information from the…

A: From the above given data the following solution is provided below:

Q: An economist claims that the proportion of people who plan to purchase a fully electric vehicle as…

A: The provided information are: Sample size (n) = 750Hypothesised proportion (po)=0.65From the…

Q: Barbara is considering different career paths. She has decided she will consider only careers with…

A: Since the p-value = 0.002 is relatively small, we reject the null Hypothesis.

Q: The director of research and development is testing a new medicine. She wants to know if there is…

A: From the provided information, Sample size (n) = 18 Sample mean (x̅) = 383 Sample variance (s2) =…

Q: A well-known brokerage firm executive claimed that at least 84 % of investors are currently…

A: The provided information are:

Q: m sample of 450 patients who underwent knee surgery is taken and it is determined that 371 of these…

A: In hypothesis testing, a null hypothesis can be defined as the hypothesis of no difference or…

Q: A commonly cited study says that 49% of students study less than 5 hours per week. A researcher does…

A: In a hypothesis test,Null Hypothesis proposes that there is no statistical signifiance exists, or…

Q: Explain why a level of significance of a = 0 is not used. Why is a level of significance of a = 0…

A: It is given that the level of significance α = 0.

Q: If your null and alternative hypothesis are: Ho: p=0.46 H₁: p > 0.46 Then the test is: Oleft tailed…

A: Null hypothesis : Ho : p = 0.46 Alternative hypothesis : H1 : p > 0.46

Q: For this study, we should use z test for a population proportion The null and alternative hypotheses…

A: As per our guidelines, we are allowed to answer first three sub-parts only. Thanks   Given :…

Q: Please answer sub-parts 4,5, and 6 You are conducting a study to see if the proportion of voters…

A: Introduction: As you have specified parts 4, 5, and 6, these are the only parts we have helped you…

Q: When the p-value is greater than alpha, the conclusion for the hypothesis test is to reject the null…

A:

Q: You are conducting a multinomial hypothesis test (αα = 0.05) for the claim that all 5 categories are…

A: We want to test the hypothesis

Q: You are conducting a multinomial hypothesis test (αα = 0.05) for the claim that all 5 categories are…

A: From the given information, the total number of observed frequencies is 56 (=12+15+6+10+13).

Q: A study by researchers at a university addressed the question of whether the mean body temperature…

A: Given claim: The mean body temperature of healthy animals is less than 98.8F. a. Null Hypothesis:…

Q: A claim is made that 10% of college students major in Psychology. You believe that this claimed…

A: Null and alternative hypotheses: Null hypothesis: The null hypothesis is a statement which indicates…

Q: calculate the standard deviation for 3 plants

A: