What is the​ p-value if, in a​ two-tail hypothesis​ test, ZSTAT=+1.16​?       ​p-value=

Q: An inspector of a production facility, which produces digital calculators, has collected 10 samples…

A: Given: Total defective =d = 15 Number of samples = k = 10 Sample size = n = 100 Z= 2

Q: This test statistic leads to a decision to... reject the null Ofail to reject the null As such, the…

A: Given information  Null Hypothesis H0: μ=54.9 Alternative Hypothesis Ha: μ>54.9  Level of…

Q: In case of one sample test, if z = −2.17, then, P-value equals: (write 3 decimal places)

A: Given data: Z=-2.17

Q: Based on a sample of 20 men, 45% owned cats Based on a sample of 80 women, 50 % owned cats what is…

A: The test statistics is obtained below: From the given information, sample of 20 men, 45% owned cats…

Q: What is the value of the test statistic?  Paired t-test

A: Given : Suppose a random sample of 20 students were given a diagnostic test before studying a…

Q: The sample mean x is a point estimate for the population mean u. In tests of significance, it is…

A: The sample mean is defined as an average computed on the basis of sample evidence. Population means…

Q: Select all the False statements: | Increasing the chance of making Type I error will reduce the…

A: Introduction: In a hypothesis testing problem, a Type I error occurs if the test rejects the null…

Q: According to the Department of Justice, the mean length of imprisonment for motor- vehicletheft…

A: a). Let µ be the mean length of imprisonment. The null hypothesis for the test is given below: Null…

Q: The average hours spent per person checking social media in a week is expected to be 13 hours. The…

A: Solution

Q: A marriage counselor has traditionally seen that the proportion p of all married couples for…

A:

Q: The mean salary of federal government employees on the General Schedule is $59,593. The average…

A: The random variable salary follows normal distribution. The population mean is $59,593. We have to…

Q: ABC Company's internal auditor claims that 15% of the company's invoices are incorrect. To test his…

A: Given that, Sample size n=250 Sample proportion of checked invoices that are incorrect p^=45250=0.18

Q: There (Choose one) venough evidence to conclude that the mean FICO score is more than the cutoff of…

A:

Q: Only 10% of registered voters voted in the last election. Will voter participation increase for the…

A: (1)   Determine the type of study used.   The type of study used is in the given problem is “Z-test…

Q: A 2011 survey, by the Bureau of Labor Statistics, reported that 91% of Americans have paid leave. In…

A: Type I error: In hypothesis testing the Type I error is said to be committed when true null…

Q: The Education Ministry claims that the dropout rate for Form 6 students in their country is less…

A: From the provided information, Population proportion (p) = 0.20 The hypotheses can be constructed…

Q: if a two-tailed test has a 5% significance level and a p-value of 0.01 do we reject Ho

A: It is given that the There is a two-tailed test problem with a 5% significance level. P-value is…

Q: It is desired to test whether there is a difference in the wear-and-tear of the frontal left (L)…

A: Given : Claim : there is a difference in the wear-and-tear of the frontal left (L) tire and the…

Q: The school registrar estimates that the dropout rate of senior high schools in cavite is 15% Last…

A: From the provided information, Sample size (n) = 200 From which 50 freshman withdrew.

Q: Some experts believe that 16​% of all freshwater fish in a country have such high levels of mercury…

A: State the hypotheses. That is, there is no evidence that the sample is not from a population…

Q: The denominator of one-sample z test is also known as ______.

A: we have to fill blank.

Q: When dragons on planet Pern lay eggs, the eggs are either green or yellow. The biologists have…

A: It is given that n = 65 and p =0.39.

Q: Suppose the variance of house selling prices in both Calgary and Edmonton are known. We are…

A: This question is asked to p value for the hypo. test for the difference between two popl means.…

Q: s the proportion of wildfires caused by humans in the south lower than the proportion of wildfires…

A: Solution: Given information: n1= 562 Sample size of wildfires in south n2= 548  Sample size of…

Q: Only 16% of registered voters voted in the last election. Will voter participation increase for the…

A:

Q: Find the P-value for the indicated hypothesis test. In a sample of 88 children selected randomly…

A: The test hypotheses are given below:

Q: A social worker in a certain city claimed that only 25% of the children between 19 and 35 months had…

A: Given ,  Sample size = n = 145 Number of children had not had all of their vaccines = x = 44 Sample…

Q: Only 14% of registered voters voted in the last election. Will voter participation increase for the…

A:

Q: 4. A market research firm reported the mean annua United States was $178,258. A random sample of the…

A: a) H0 : μ = 178258    H1: μ≠178258 b) since we do not have population standard deviation we will use…

Q: researcher who wants statistical evidence on this claim conducted her own survey. Her survey…

A:

Q: A marriage counselor has traditionally seen that the proportion p of all married couples for whom…

A:

Q: The test statistic     =  (please show your answer to 3 decimal places.) The p-value =  (Please show…

A: Given data number of success , x= 28.0 sample size, n = 348 population…

Q: Assuming the null is true, what is the mean of the population? Assuming the null is true, how far,…

A: It is generally accepted that the 40% of the consumer use Apple products, hence mean population…

Q: A researcher claims that 20-year old women on a special diet will have an average weight of less…

A: Use the Excel and Calculate the Sample Mean and Sample Standard Deviation

Q: Explain how the P-value is obtained for a one-mean z-test in case the hypothesis test is a. left…

A: p-value:The probability value associated with a statistical test is defined as the p-value. In other…

Q: Can you conclude with a 0.01 significance level that your true earned average is greater than 50%?…

A: Null Hypothesis: μ=0.50 Alternative Hypothesis: H1:μ>0.50 Significance level is 0.01. From the…

Q: What is the difference in assumptions between the one-mean t-test and the one-mean z-test?

A: The One Sample t Test determines whether the sample mean is statistically different from a known or…

Q: Suppose the researcher wants to investigate the mean number of hours worked per week by female in…

A: Hypothesis testing in statistics is a way for you to test the results of a survey or experiment to…

Q: A marriage counselor has traditionally seen that the proportion p of all married couples for whom…

A: Given that  Sample size n =205 Favorable cases x =171 Sample proportion p^=x/n  =171/205 =0.8341

Q: A previous study claims that 40% of people own a cat. A researcher believes that proportion has…

A: Given that ; Sample size (n) = 140 No. Of own cat (x) = 49 P = 40%  By using the one sample…

Q: 7. The average salary of North Carolina is reported to be $50,781. After completing a survey of 120…

A: Solution

Q: A medical school claims that exactly 24% of its students plan to go into general practice. It is…

A:

Q: A marriage counselor has traditionally seen that the proportion p of all married couples for whom…

A: As Prof. N. G. Das said "A hypothesis which is tested for plausible rejection is called the Null…

Q: Children with autism differ significantly from children without autism on tests of varbal ability.…

A: Introduction:Independent samples t-test:When the mean values of two independently distributed…

Q: A marriage counselor has traditionally seen that the proportion p of all married couples for whom…

A: Given: Testes proportion p0=0.78 Sample size, n=240 Number of couple stayed together, x=189

Q: Only 15% of registered voters voted in the last election. Will voter participation increase for the…

A: Given that, Sample size of registered voters n=363 Sample proportion of registered voters who will…

Q: Only 20% of registered voters voted in the last election. Will voter participation decline for the…

A:

Q: Only 12% of registered voters voted in the last election. Will voter participation increase for the…

A: Here we have 390 randomly selected registered voters and 62 of them vote in the upcoming election.…

Q: According to a magazine, Chick-fil-A has the best accuracy of thrive thru orders with 96.4% of all…

A: Given: n=350,α=0.05,p=96.4%=0.964 Sample proportion: p^=xn=340350=0.9714

Q: When dragons on planet Pern lay eggs, the eggs are either green or yellow. The biologists have…

A: Given datan=67p=37%