A Two tailed test, where the null hypothesis is H0: p = 0.95 and the significance level is 10%. When the edge of the rejection region for the lower tail is 0.9399 then what is the value of "?" in P(P-hat > ? | p = 0.95) = 0.05?

Q: An executive believes that no more than 80% of the company’s employees take all of their vacation…

A:

Q: In a survey, 37% of the respondents stated that they talk to their pets on the telephone. A…

A: Statistical tests are used to calculate the test statistics which is eventually used to determine…

Q: When conducting a statistical test of significance, obtaining a negative p-value, though ususual, is…

A: It is needed to discuss whether it is possible to have a negative p-value.

Q: In a study of 795 randomly selected medical malpractice​ lawsuits, it was found that 506 of them…

A: Given Data: p^=xn=506795=0.6365   n=795 p=0.5

Q: Researchers developed a "cat IQ test" and find that the population of cats in the United States has…

A: the PDF of normal distribution is = 1/σ * √2π * e ^ -(x-u)^2/ 2σ^2standard normal distribution is a…

Q: K In a study of 799 randomly selected medical malpractice lawsuits, it was found that 505 of them…

A: We have given thatn = 799x = 505p̂ = x/n = 505/799 = 0.6320Significance level (α) = 0.01

Q: Foreign freshmen are required to take an English placement exam. Over the past several years, 20% of…

A: Let X be the number of students failed the test and n be the sample size..Given that X=12 and n=…

Q: State the statistical hypotheses (null and alternative) for a two-tailed test against a known…

A: In this context, the known population mean is 90.

Q: Bullying Bullying is a problem at any age but especially for students aged 12 to 18. A study showed…

A: Given No. of students bullied in private school, x1=24 No. of students bullied in public school,…

Q: SAT Verbal Scores...Do students who learn English and another language simultaneously score worse on…

A: Denote μ as the mean SAT critical reading exam score.

Q: In a survey, 43% of the respondents stated that they talk to their pets on the telephone. A…

A: The question is about hypothesis testing.Given :Population proportion of respondents who talk to…

Q: What is the p-value of a one-sided greater than One-Sample Z-Test for Mean where the z-statistic…

A: We have to find p value for given test.

Q: Suppose 206 subjects are treated with a drug that is used to treat pain and 55 of them developed…

A: In this scenario, It is appropriate to use one prop Z test. Null and alternative hypotheses: Let p…

Q: Suppose Al's Aviation claims their airplanes can hold an average of 602 luggage bags at once. A…

A: Given sample size is 20, sample mean is 568 and sample standard deviation is 80.

Q: (a) The sample standard deviation was not reported, but suppose that it was 4 hours. Carry out a…

A: It is given that  Population mean = 12.6 Sample mean = 12.8 Sample Standard deviation = 4 Sample…

Q: A group of researchers are interested in differences in stress levels between nurse practitioners…

A: Given: Nurse practitioners    :                         N1= 173 x1¯ = 77.4 s1 = 11.06   Physical…

Q: 2. Approximately what is the probability of selecting an SAT sample mean having a z-score between…

A: P(-1<z<1)=?

Q: Do chickens lay more eggs when soothing music is played in the coop? To find out, researchers played…

A: The objective is to define the appropriate hypothesis test to conclude if the chickens lay more eggs…

Q: Emily works 50.9 hours per week, on average, with a standard deviation of 6.3. She decided to see if…

A: Null and alternative hypotheses: The hypothesis, which is pre assumed as true, tentatively settled…

Q: In a survey, 36% of the respondents stated that they talk to their pets on the telephone. A…

A: Sample size(n)=240No.of persons spoke to their pets on the telephone (x)=85Population proportion(p0…

Q: e sample observations was 12.6 hours. ample standard deviation was not reported, but suppose that it…

A: We have given that  Sample size n = 1000 Sample mean = 12.6

Q: In a survey, 36% of the respondents stated that they talk to their pets on the telephone. A…

A: Sample size(n)=240No.of persons spoke to their pets on the telephone (x)=85Population proportion(p0…

Q: In a simple random sample of 27 companies, 21 have both Twitter and Facebook accounts. Can we…

A: Given, The sample proportion is, Under the claim, the null hypothesis is: The alternative…

Q: None

A: Statistical Analysis of Console Preference in GamersThis scenario involves testing a claim about a…

Q: A random sample of n1 = 295 voters registered in the state of California showed that 141 voted in…

A: Note: Hi there! Thank you for posting the question. TO avoid the plagiarism issues, we have used the…

Q: A researcher wishes to test ??0: ?? = 0.05 against ??1: ?? ≠ 0.05 at the 0.01 significance level.…

A: The objective of this question is to find the probability of committing a Type I error in a…

Q: If a sample of 50 individuals was taken from a population with a standard deviation of 12 and the…

A: A sample of 50 individuals was taken from the population.Sample size,  Sample mean, Population…

Q: In a survey of 2,480 It's Always Sunny in Philadelphia fans, 17% said they have played Night…

A: We have to find out confidence interval for given data...

Q: Q3: A bank will open a new branch in a particular neighborhood if it can be reasonably sure that at…

A:

Q: The value for the test statistic for a left-tailed one mean z-test is z= -1.19. Determine the…

A: Statistical hypothesis testing is an important method in inferential statistics. It is used to test…

Q: What are the null and alternative hypotheses? Họ: | versus H,: (Type integers or decimals. Do not…

A: Given : Proportion of respondents who stated they talk to their pets on phone = 0.45 Sample size =…

Q: In a survey, 37% of the respondents stated that they talk to their pets on the telephone. A…

A: given  P0 =0.37 n=170

Q: USA Today reported that about 47% of the general consumer population in the United States is loyal…

A: We have given that the hypothetical proportion p0=0.47, sample size 1002 and favourable cases X =…

Q: RECIDIVISM Report a Chi-Square test of Independence and use a 5% significance level. Choose the…

A: Given, the observed data count on recidivism as measured by re-arrest of persons who have committed…

Q: What is the random variable for this question

A: Our aim is to state the random variable

Q: In a study of 824 randomly selected medical malpractice lawsuits, it was found that 485 of them were…

A: Assume that p is the true proportion of medical malpractice lawsuits, who are dropped or dismissed.

Q: A newspaper claims that the mean time spent on physical activities by middle school children in UAE…

A: From the provided information, Sample size (n) = 20 The claim is that the mean time spent on…

Q: a One Sample t-Test, the test variable's mean is compared against a ""test value"", which is a known…

A: T test : A stastical test for comprasion of means between two groups. Now if we will use t test for…

Q: If the test statistic is 1.95 on the Z distribution at a 3% significance level for a right-sided…

A: According to the given information in this question We need to write the conclusion for the given…

Q: You are a research assistant at a zoo.  The question of your study is "Has the proportion of baby…

A: From the provided information, The question of your study is "Has the proportion of baby zebras born…

Q: In a survey, 45% of the respondents stated that they talk to their pets on the telephone. A…

A: Given,n=240x=104p^ =xn p^ =104240 p^ =0.4333H0 :P=0.45H1 : P<0.45α=0.01

Q: In a survey, 36% of the respondents stated that they talk to their pets on the telephone. A…

A: The hypothesized proportion (p0) is 0.36.

Q: In a study of computer use, 1000 randomly selected Canadian Internet users were asked how much time…

A: The sample size is 1000, sample mean is 12.7.

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

A: Given that, The sample proportion is, The null and alternative hypothesis is, The level of…

Q: In a study of computer use, 1000 randomly selected Canadian Internet users were asked how much time…

A: Answer:-

Q: A two-tailed test is performed at the 0.10 level of significance. The p-value is determined to be…

A: Suppose a two-tailed test is performed at the 0.10 level of significance. i.e. α=0.10 The determined…