Can you conclude with a 0.01 significance level that your true earned average is greater than 50%? In test 1 =5.4%

Q: An arrival reports that blue eyed people earn less than brown people, with these numbers: average…

A: Given data: The average salary of blue-eyed people is: A=$35,000. The average salary of brown-eyed…

Q: Recently, a large academic medical center determined that 9 of 18 employees in a particular position…

A: Given : Recently survey conduct : Where conclude that 9 of 18 employees in a particular position…

Q: If the p-value = 0.04 at a 3% significance level, what is the conclusion? O Not enough information…

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

Q: In a study of the accuracy of fast food drive-through orders, one restaurant had 32 orders that were…

A: State the hypotheses. That is, there is no evidence to conclude that the rate of inaccurate orders…

Q: In a study of the accuracy of fast food drive-through orders, one restaurant had 36 orders that were…

A: State the hypotheses. That is, the proportion rate of inaccurate orders is equals to 0.10. That…

Q: In a study of the accuracy of fast food drive-through orders, one restaurant had 40 orders that were…

A:

Q: In a study of the accuracy of fast food drive-through orders, one restaurant had 32 orders that were…

A: Given,   The sample proportion is,

Q: In a study of the accuracy of fast food drive-through orders, one restaurant had 34 orders that were…

A: The random variable is rate of inaccurate orders. It follows binomial distribution. We have to use…

Q: In a study of the accuracy of fast food​ drive-through orders, one restaurant had 37 orders that…

A: Given information- Sample size, n = 312 Population proportion, p = 0.10 Significance level, α = 0.10…

Q: he percentage breakdown of the contributions received by a national public television network is…

A: Null Hypothesis:   H0: The distribution of contributions not differ significantly from that…

Q: when we will be reject the NULL HYPOTHESIS on the basis of

A: Hello! As you have posted 2 different questions, we are answering the first question. In case you…

Q: Use a 0.05 significance level to test the claim that the two samples are from populations with the…

A: n1 =35n2 = 40 x1 = 19.4x2 = 15.1s1 = 1.4s2 = 0.8

Q: Chocolate and Happiness Use the results from part (b) of Cumulative Review Exercise 2 to test the…

A:

Q: Using the p-value method, we reject the null hypothesis if the p-value is ___________than or equal…

A: NOTE When p-value≤α=level of significance, then we reject the null hypothesis. When…

Q: In a study of the accuracy of fast food​ drive-through orders, one restaurant had 34 orders that…

A:

Q: Is there enough evidence, at a a = 0.01 level of significance, to show a difference between the…

A: The provided sample means are shown below: Xˉ1=578\bar X_1 = 578 Xˉ2=570\bar X_2 = 570 Also, the…

Q: To help assess the health risks of second-hand smoke, the levels of cotinine (a metabolite of…

A: Given Information: The levels of cotinine (a nicotine metabolite) in the urine of seven volunteers…

Q: Is there a difference in overall happiness for cat owners versus dog owners. This was a question of…

A: To compare the population mean of two independent populations when sample size is less than 30,…

Q: What does the shaded (blue) region show? Shade in the regions for the (i) significance level (ii)…

A: Note: In case of multiple questions, answer to first question will be provided. As Question 1 is…

Q: Suppose you would like to determine if the mean score for the first round of a golf tournament event…

A: Here we have paired data so paired t test will be used.

Q: It was hypothesized that there will be a difference in the average test score in Chemistry class…

A: The number of groups is 2.

Q: In a study of the accuracy of fast food drive-through orders, one restaurant had 30 orders that were…

A: Given ,claim: The rate of inaccurate orders is equal to 10%

Q: A study of seat belt users and nonusers yielded the randomly selected sample data summarized in the…

A:

Q: Are Republicans more likely than Democrats to display the American flag in front of their residence…

A: Given Information: Republicans: Sample size (n1) = 679 Out of which x1 = 448 displayed the flag on…

Q: A recent study focused on the number of times men and women send a Twitter message in a day. The…

A: The parametric test are used when the population follows some distribution. The non parametric test…

Q: Applying the Concepts and SkillsLosses to Robbery. Refer to Problem. At the 5% significance level,…

A:

Q: In a study of the accuracy of fast food drive-through orders, one restaurant had 31 orders that were…

A: Given data number of success , x= 31 sample size, n =384

Q: In a study of the accuracy of fast food drive-through orders, one restaurant had 37 orders that were…

A: Null and alternative hypotheses: The investigator is specifically interested to test whether the…

Q: A comparison of reaction times (in seconds) for two different stimuli in a psychological word-…

A: The 95% confidence interval for the difference in mean reaction times for the two stimuli will…

Q: What is the appropriate null hypothesis for this test? b. What is the sample size for this data? c.…

A: a) degrees of freedom for groups is 2. Thus, number of treatments is 3. The hypotheses to be tested…

Q: In a study of the accuracy of fast food​ drive-through orders, one restaurant had 31 orders that…

A: given data,x=31n=392p^=xn=31392=00.791α=0.05p=0.10Hypothesis : H0:p=0.10, Ha:p≠0.10

Q: In a study of the accuracy of fast food​ drive-through orders, one restaurant had 34orders that were…

A: Let p be the population proportion of the orders that were not accurate . Claim : The rate of…

Q: In a study of the accuracy of food drive thru orders one restaurant have 39 orders that were not…

A: Given: n = 300 39 orders that were not accurate among 300 orders Significance level α = 0.10 Formula…

Q: In a study of the accuracy of fast food drive-through orders, one restaurant had 32 orders that were…

A: Solution : Given : P = 0.1             x =32             n = 360             α = 0.01 ∴Sample…

Q: What is the null hypothesis of a one-tailed repeated-measures research study if a treatment is…

A: Answer:-  Here, null hypothesis is there is no increase in scores after the treatment.  Null…

Q: Which element of a test of a hypothesis is used to decide whether to reject the null hypothesis in…

A: Know that  Level of significance =alpha  Null and alternative hypothesis is denoted by H0 and H1.

Q: A study of seat belt users and nonusers yielded the randomly selected sample data summarized in the…

A: Given:- α=0.05   number of cigarettes smoked per day 0  0-14 15-34 35 and over row total wear…

Q: Does cable​ video-on-demand (VOD) increase ad​ effectiveness? A study compared general TV and VOD…

A: Given : p^1= probability of Group 1 saying Yes=49223p^2= probability of Group 2 saying Yes=126237n1=…

Q: During the 2010 MLB seasons, the home team won 1,269 games and the away team won 1,371 games. What…

A: Solution-: Given: x=1269, n=1269+1371=2640 and P0=0.50 We want to find test statistic=?

Q: Based on a small sample, a significance test may not yield a statistically significant outcome even…

A: Ans:  A significance test may not yield a statistically significant outcome even        if the true…

Q: In a study of the accuracy of fast food​ drive-through orders, one restaurant had 39 orders that…

A: 1. Denote p as the true proportion of fast food drive-through order, that are not accurate.

Q: A study of seat belt users and nonusers yielded the randomly selected sample data summarized in the…

A: Solution: From the given information, the claim is that the amount of smoking independent of seat…

Q: 1) If your p-value is less than a significance level , then your decision is to fail to reject the…

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

Q: Identify the no hypothesis alternative hypothesis test statistic critical values conclusion about…

A: State the hypotheses. That is, there is no evidence that the more than half percentage of all the…

Q: 2. A recent broadcast of a television show had a 20 share, meaning that among 7,000 monitored…

A:

Q: What is the power of a study using a correlation, with a one-tailed test at the .05 significance…

A: Here's the explanation is as follows; Power analysis is an important aspect because It allows us to…

Q: In a random sample of 1000 adult Americans, 700 indicated that they oppose the reinstatement of a…

A:

Q: a.    If a null hypothesis is rejected with a significance level of 0.05, is it also rejected with a…

A: To be reject null hypothesis,  p value must be smaller than alpha.