your daughter tells you that she does her homework more that 80% of the time. since her grade is lower, you expect she is stretching the truth and she only does her homework at most 80% of the time. You randomly select 50 of her homework assignments and go through them with her. You find that 43 of the assignments are completed. Determine if you should believe your daughter by conducting a hypothesis test using the steps outlined below. Show all work. a. state the null and alternative hypothesis b. sketch and label a graph and shade the area of the p-value c.  what is the p-value? show the excel command used d. at a 10% significance level, what is your conclusion?

Q: Men Women Total Afraid to Walk at Night in Your Neighborhood Yes 76 176 252   No 271 260 529   Total…

A: The above given test is chi-square test f independence , chi-square test is used to test the…

Q: You have been hired by the FDA as a forensic data analyst. Allegedly, a famous scientist has found…

A: Given information: Source SS DF MS F Between         Soda Type 12       Dose 150…

Q: All calculations should be shown by text or excel. Hypothesis Test Wal-Mart wants to introduce a…

A: a) Test whether the sales of Wal-Mart Plum are statistically different from zero at an alpha of 5%.…

Q: (d) Find the critical value at the 0.10 level of significance. (Round to three or more decimal…

A: Given that  H0 : p1 = p2  Vs  H1 : p1 < p2  Test statistics = z = -0.813

Q: People rarely carry change these days. You decide to test if people in their 20's, 30's, and 40's…

A: Given Information :  People rarely carry change these days . You decide to test if people in their…

Q: A survey conducted on a group of patients showed that these patients either have a heart disease…

A: Given: 60% are men Among the men, 20% have heart disease only and 50% have lung disease only Among…

Q: 4 When the prevalence of a disease in the population is very low, such as HIV infection or certain…

A: A false negative can be defined as a test result that a person is not ill or does not have a disease…

Q: Olivia attends school at the University of Alberta and decides to compile a contingency table of…

A: The objective is to find out the expected frequencies and test statistic value for the given…

Q: A company is started by four friends. The company was Erica's idea, so she wants to fill 70% of the…

A:

Q: 3. A Statistics class performs an Excel RNG experiment by simulating the roll of 1 die 300 times.…

A: "As per the Bartleby guidelines, we can solve only one question at a time.Therefore, we are solving…

Q: A popular uprising that started on January 25, 2011, in Egypt led to the 2011 Egyptian Revolution.…

A: 1. From the given information, The population proportion is 70%=0.70 Among a random sample of 60…

Q: A report just came out that stated that 24.9% of all Americans say that vanilla is their favorite…

A: Given:OutcomeFrequencyPVanilla22724.9% = 0.249Chocolate22822.9% = 0.229Butter Pecan1079.7% =…

Q: 4. The CEO of a company claims that 60% of its work force receives a pay raise every other year. One…

A: 4.The number of samples is The number of successes is The population proportion is The objective is…

Q: Type of Test: Null Hypothesis: Alternate Hypothesi SE: Test Statistic: P-value: Decision: Sentence:

A: To test if there is dependence in favorite sport and place where people live, we need to conduct a…

Q: Derrick surveyed a random sample of 100 students from his middle school to learn more about what…

A:

Q: 10. Which is more important: Grades, Sports, or Popularity? 497 middle school (grades 4 to 6)…

A:

Q: O Sports and other outdoor activities. In February 2020, Statistics Norway conducted a survey on…

A: x is (approximately) a binomial random variable because it satisfies the properties of a binomial…

Q: 6. Ben has a theory that Californians weigh less than the average American man does. The average…

A: 6) Given Information: The average American man weighs 198 pounds. Ben has a theory that Californians…

Q: 4. 800 students are selected at random from a student body of 20,000. Each of the 800 students is…

A: Given Information: Sample size (n) = 800 Out of 800 students, X = 600 did not get that strain of…

Q: 16. A botanist wants to see if a new plant grows better in different types of sunlight. He counts…

A: 1. Here we are going to perform an ANOVA test. Let; μ1=Mean number of new leaves in full sunμ2=Mean…

Q: psychology class were polled regarding the number of hours they spent studying for the last exam.…

A: Enter the data in Excel.

Q: Our study tests the claim that women are more satisfied with their marriages than are men. Our…

A: We have given that  Sample size n1= 10 , n2= 13  Sample mean xbar1 = 5.2 , xbar2 = 4.9

Q: Renee is studying the effect of positive reinforcement for her psychology class. She gets 8 pigeons,…

A: Let μd is defined as the mean difference between the reinforcement before and after. The claim of…

Q: You may need to use the appropriate technology to answer this question. Social networking is…

A: Given data,   Country       Use social networking sites Great Britain (GB) Israel (I) Russia…

Q: A medical researcher believes that a drug changes the body's temperature. Seven test subjects are…

A: From the provided information, Sample size (n) = 7 Level of significance (α) = 0.02

Q: 2. Researchers want to find out what percent of the US labor force is female. Of the 10,000…

A: The random variable percentage of female follows binomial distribution. The sample size is 525. The…

Q: plete the table; then determine whether the null hypothesis would be rejected using 95% level of…

A: Given : n x Hypothesized proportion  p0 120 21 0.05 138 32 0.07 200 45 0.1 392 102 0.18

Q: Can you answer parts a,b, and c please? Mike claims that more than 80% of all investors believe the…

A: State the hypotheses. That is, there is no evidence that more than 80% of all investors believe the…

Q: A car insurance company claims that 92% of its customers are happy with their service. You randomly…

A: Given,   The sample proportion is,

Q: Use the traditional method in testing the hypothesis in the problems below. In each problem, state…

A:

Q: Write both the null and alternative hypothesis. Using the correct notation The proportion of…

A: Null Hypothesis (H0):It's an assertion regarding the population which is assumed to be true or is…

Q: If you go through the profiles of 200 people in a population where you expect 25% of the population…

A: here define events , dateable  = D swipe Right  = R  swipe left = L   here p(R | D) = 0.80  p(L |…

Q: Briefly discuss the five steps in the hypothesis testing procedure.

A: 5 steps for the hypothesis testing procedure is given by

Q: 8. A dietitian read a survey that states that at least 60% of adults eat eggs for breakfast at least…

A: Sample size is .The population proportion is .The sample proportion is .The level of significance is…

Q: Write both the null and alternative hypothesis.  Use the correct notation or vocabulary for full…

A: In this case, the claim is that the proportion of households with a smartphone is more than 83%.…

Q: 21 The test statistic for the hypothesis test is, a 1.401 b 1.505 c 1.617…

A: For the given data, we need to find the test statistic for the hypothesis test.

Q: (SR 7.19) According to a Gallup poll, 63% of concession stand workers like the smell of their…

A: Here use normal approximation because sample size is too large

Q: The first test a doctor would order to determine whether a person is infected with HIV (the virus…

A: Note: As per our Honor code policy, we are authorized to answer only three sub parts at a time. So,…