In testing: Ho: u = 40 vs Ha: u > 40, where n=16, the value of the t-test statistic was t = -1.96. Calculate the p value

Q: Only answer the questions typed: A. indicate whether it's one or two sided B. Indicate whether it's…

A: The test is to check whether more than 10% of the population sampled had completely abstained from…

Q: Would you favor spending more federal tax money on the arts? Of a random sample of n1 = 218 women,…

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Q: A presidential of staff's club hired a public relations firm to conduct a poll to see whether he…

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Q: A software company is interested in improving customer satisfaction rate from the 69% currently…

A: Given Hypothesized pop. proportion, p0=0.69Favorable cases,x=146Sample size,n=193Sample…

Q: The test statistic of z equals 1.86 is obtained when testing the claim that pnot equals 0.778.…

A: GIVEN DATA  Z = 1.86 claim : p ≠ 0.778 here two tailed test.  we have to find p value.

Q: How to calculate the "P-value"  by hand?

A: To calculate the p-value, we first need to perform a linear regression analysis on the given data,…

Q: uppose we are testing Ho: p=.20 vs Ha: p does not equal .20 and TS=2.34. What is the p-value?

A: given data  Ho : p = 0.20 Ha:p≠0.20 test statistic Z = 2.34 p value = ?

Q: Using the results r(128) = –.64, p > .05, what is the most appropriate conclusion? A. r is not…

A: It is given that:The value of correlation coefficient between X and Y for 128 observations: The…

Q: You are doing a Z-test and get a Standardized Test Statistic (STS) of Z = - 2.3. %3D Round answers…

A: From the provided information, The value of the test statistic (Z) = -2.3

Q: A manufacturer of flashlight batteries took a sample of 10 batteries from a day's production and…

A: Normal distribution, also known as the Gaussian distribution, is a probability distribution that is…

Q: What is the p-value only?

A: It is given that  In the original solution  The value of the test statistic is z = 3.92. The given…

Q: torists do not have motor vehicle insurance. A random survey amongst 150 motorists found that 54 do…

A: A random survey amongst 150 motorists; n=150

Q: Does training in stress reduction make a difference for student success?  15 students received…

A: Given Information: Sample 1: Sample size n1=15 Sample mean M1=88 Sum of squares SS1=400 Sample 2:…

Q: Twenty years​ ago, 47​% of parents of children in high school felt it was a serious problem that…

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Q: Help me figure out what is a p-value?

A: In this case, we need to define the p-value.

Q: Assuming all conditions for the appropriate test are met, the agriculturalist reported a p-value of…

A: Given, p value = 0.072 α = level of significance =0.05

Q: 2- Bob takes on average of 50.5 hours uniformly distributed to to finish a portrait in his studio…

A: Given information- Population mean, µ = 50.5 hours Population standard deviation, σ = 10.5 hours…

Q: A negative z score indicates that an individual's raw score:

A: Introduction: Consider X as a normally distributed random variable, with mean μ and standard…

Q: In a CBS poll of 1289 adults, nationwide, asking whether they favor or oppose teacher and school…

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Q: Bonita obtained 22/30 for a Geography test and 18/25 for a history test In which subjects did she…

A: Marks obtained in Geography is 2230 marks obtained in history is 1825 we need to compare two…

Q: A sample of two hundred and fifty families showed that ninety one owned at least one car. Find an…

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Q: How did it resulted to 0.8749 at letter b? As I review the z-score table, z = -1.15 is equivalent to…

A: Actually you have seen the table for for left tailed side i.e. P(Z < -1.15)  But we have to solve…

Q: Find the P-value for a test of the claim that less than 50% of the people following a particular…

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Q: Determine the P-value for a one sided test with t = 1.75 and n=16 O a. 0.075 Ob. 0.05 O c 0.0375

A: we will find the p value from t table for one tailed test.

Q: What is the third quartile of the number of accidents per month?

A: We have to find the third quartile for the given data.

Q: Are 2009 Toyota Prius cars as safe as the company claims? Ho: p = 0.003. The actual proportion of…

A: The theoretical definitions of Type I and Type II error are given by  Type I error :  Rejecting the…

Q: Find the p-value for the following conditions. Explain. a. Left-tailed; z stat = -1.62 b.…

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Q: A medical device is manufactured in batch sizes of 250. A sample of 25 devices were randomly…

A: The symbol associated with the value of 0.71 is the sample proportion, denoted by "p-hat". In this…

Q: A software company is interested in improving customer satisfaction rate from the 74% currently…

A: Z-Test:  Here the hypothesis test is for the population proportion. The test statistics compared…

Q: c) Find the test statistic, round answer to at least 3 decimal places. d) What is the p-value? Round…

A: Solution : See the excel output find the Observed counts and Expected counts see in excel sheet

Q: proportion of motorists who consult their cell phone while driving A traffic officer believes that…

A: From the given information we conduct the test for one proportion.

Q: Whats the formula for converting a z score to t score?

A: What is the formula for converting a z score to t score?

Q: if the 90% C for the population mean is (-2.58, 7.54) what is the sample mean O a 248 Ob. 10.12…

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Q: A research study wanted to examine whether religious belief and gender are related in their state.…

A: It is needed to test whether religious belief and gender are related in their state.

Q: What’s the formula to turn a Z score to a T score?

A: The  score is the standardized score obtained by using population data or large samples .The  score…

Q: Use the t-tables to determine a p-value or a range of p-values for the following test statistics:…

A: Given Data : n t 20 1.093 15 1.945 10 2.62 25 3.919 We will use the Excel to calculate…

Q: Is the amount of sodium (in milligrams) in brand-name cereals the same as the amount of sodium in…

A: The null and alternate hypothesis are  H0=μ1=μ2HA=μ1≠μ2 Level of significance , α=0.10 Test…

Q: Does training in stress reduction make a difference for student success?  15 students received…

A: Given, Does training in stress reduction make a difference for student success?  Sample1: students…

Q: A study was conducted on the percent of total advertising dollars spent by 4 local firms for…

A: Solution-: Given: n=4,∑di2=5 We want to find t-value=?

Q: Twenty years ago, 47% of parents of children in high school felt it was a serious problem that high…

A: Given that  Sample size n =900 Population proportion p=47%=0.47

Q: f the claim that the proportion of residents with at least 2 years of college education is more than…

A: Given: z=1.502 The given test is a right tailed test The standard normal table has the area to the…