A random sample of 795subjects was asked to identify the day of the week that is best for quality family time. Consider the claim that the days of the week are selected with a uniform distribution so that all days have the same chance of being selected. The table below shows​ goodness-of-fit test results from the claim and data from the study. Test that claim using either the critical value method or the​ P-value method with an assumed significance level ofα=0.05.  Num Categories 7   Test​ statistic, χ2 7.703 Degrees of freedom 6   Critical χ2 12.592 Expected Freq 113.5714   ​P-Value 0.2607 Determine the null and alternative hypotheses. Identify the test statistic. Identify the critical value.  State the conclusion.

Q: In a study of the accuracy of fast food​ drive-through orders, one restaurant had 38 orders that…

A: Given information- Population proportion, p = 0.10 Sample size, n = 327 Significance level, α = 0.05…

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

A: The null and the alternative hypotheses are, H0: p=0.10 HA: p≠0.10 The proportion of inaccurate…

Q: A researcher notes that there seems to be a difference in the prevalence of individuals who are…

A: Given information: χ2=6.437χCritical2=3.84

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A: Given : A local store rates employee dissatisfaction rates. An employee claimed that the store…

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A:

Q: In a random sample of men from Cornwall, 22 were left handed and 218 were right handed. In a random…

A: Denote p1, p2 as the true population proportions of left-hand men and women, respectively.

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A:

Q: High-powered experimental engines are being developed by the Hendrix Motor Company for use in their…

A: From the provided information, Sample size (n) = 16 Level of significance (α) = 0.05

Q: An investigator hypothesizes that the improvement rate associated with a placebo is P1 = 0.45, and…

A: (b) Sample Size Calculation with Significance Level and Power* To calculate the required sample size…

Q: The failure strengths of a random sample of concrete specimens were found equal to (in ksi): 3.5,…

A: (1) The degrees of freedom is obtained as follows: Df=n–1     =9–1     =8 The critical-value is…

Q: in a random sample of men from Cornwall, 22 were left handed and 218 were right handed. In a random…

A: Define p1, p2 as the true population proportions of left-hand men and women, respectively.

Q: A random sample of 774 subjects was asked to identify the day of the week that is best for quality…

A: Given A random sample of 774 subjects was asked to identify the day of the week that is best for…

Q: A researcher wants to know whether athletic women are more flexible than HOK-amet Flexibility is…

A: Given Information: Athletic women: Sample size n1=50 Sample mean x¯1=5 Sample standard deviation…

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

A:

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

A: From the provided information, level of significance (α) = 0.05 Sample size (n) = 349 Number of…

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

A: From the provided information, level of significance (α) = 0.10 Sample size (n) = 314 Number of…

Q: In a randomized controlled​ trial, insecticide-treated bednets were tested as a way to reduce…

A: There are two independent samples which are infants using bed nets and infants not using bed nets.…

Q: In a study of the accuracy of fast food drive-through orders, one restaurant had 3838 orders that…

A: The proportion of inaccurate fast food drive-through orders is,

Q: A random sample of 776 subjects was asked to identify the day of the week that is best for quality…

A: The claim is that the days of the week are selected with a uniform distribution so that all days…

Q: In a study of the accuracy of fast food drive-through orders, one restaurant had 33 orders that were…

A: Answer:-

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

A: From the provided information, Sample size (n) = 358 From which 34 orders were not accurate. Level…

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

A: The aim is to check whether the accuracy rate appear to be acceptable. The test hypotheses are given…

Q: Arandom sample of 770 subjects was asked to identify the day of the week that is best for quality…

A: In the given output, the value of χ2 test statistic is 1384.851.

Q: Scientists think that robots will play a crucial role in factories in the next several decades.…

A: Given that, x= 15, n=500 The point estimate of the population proportion is sample proportion That…

Q: 3) In one state, a politician running for office claims the average monthly cost for health care…

A: Given, Mean = 370 sd= 85 n= 100 x= 350

Q: A random sample of 796 subjects was asked to identify the day of the week that is best for quality…

A: Hypothesis: H0:All days of the week have an equal chance of being selected.H1:At least one day of…

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

A: From the provided information, level of significance (α) = 0.05 Sample size (n) = 338 Number of…

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

A: Given information Total inaccurate orders (x) = 37 Total orders n = 301 Proportion of inaccurate…

Q: Group п 48 30 30 51 54 30 10

A:

Q: A random sample of 781 subjects was asked to identify the day of the week that is best for quality…

A:

Q: A company with a fleet of 1500 cars found that the emissions systems of 17 out of the 53 randomly…

A: Given information- Significance level, α = 0.01 Proportion of cars from their fleet failed to meet…

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

A: The objective of this question is to test the claim that the rate of inaccurate orders is equal to…

Q: A 30 48 7 B 51 30 10 30 54

A: a)  The number of t-tests will need to be conducted for the manager’s investigation: In the given…

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

A: Given,   The sample proportion is,

Q: High-powered experimental engines are being developed by the Hendrix Motor Company for use in their…

A: Given data is634,607,688,630,695,635,657,655,678,671,676,689,672,687,680,677sample…