You are performing a two-tailed test with test statistic z = 2.1, find the p-value to 4 decimal places
Q: what will be the value of X at the z score =-3 given, mean=10 and standard deviation =2?
A: The z-score of a random variable X is defined as follows: z = (X – µ)/σ. Here, µ and σ are the mean…
Q: You are performing a right-tailed test with test statistic z = 2.96, find the p-value to 4 decimal…
A:
Q: You are performing a left-tailed test with test statistic z = – 2.29, find the p-value accurate to 4…
A: Given Test statistic z=-2.29 p- value is the probability that test statistic can take extreme value…
Q: You are performing a two-tailed test with test statistic z=0.21z=0.21, find the p-value to 4 decimal…
A: The type of test is two tailed test. The value of test statistic is, z = 0.21
Q: You are performing a left-tailed test with test statistic z = to 4 decimal places - 1.57, find the…
A: Given: z = -1.57 It is a left-tailed test.
Q: udents in group 2 had a mean score of 18 with a standard deviation etermine the 90% confidence…
A: 200 Students in group 1 with mean 24.8 and standard deviation 4.8 n1=200, x¯1=24.8, s1=4.8 200…
Q: You are performing a right-tailed test with test statistic z=1.442z=1.442, find the p-value accurate…
A: right-tailed test with test statistic z=1.442, find the p-value accurate to 4 decimal places.
Q: The distribution of scores on a standardized aptitude test is approximately normal with a mean of…
A:
Q: You are conducting a left-tailed test of a claim about a population mean when sigma is unknov with a…
A: Determine the critical value. The critical for the left tailed test is obtained below as follows:
Q: You are performing a right-tailed test with test statistic z = 0.16, find the p-value to 4 decimal…
A: We have find p value.
Q: You are performing a left-tailed test with test statistic z=−1.45, find the p-value to 4 decimal…
A: Left tailed test Test statistic Z = -1.45
Q: What is the corresponding percentile and x-value that has z- score= -2.3 with mean=100 and standard…
A: Provided information is ; z- score= -2.3 with mean(μ)=100 standard deviation(σ)=10 we know that ; z…
Q: When you use the two-standard-deviations F-test, what assumption must be met by the variable under…
A:
Q: You are performing a two-tailed test with test statistic z = 0.23, find the p-value to 4 decimal…
A: we have given that test statistic (z)= 0.23
Q: You are performing a two-tailed test with test statistic z = 2.75, find the p-value to 4 decimal…
A: Given: Z-value Z=2.75 As we have to perform Two tailed test for p-value.
Q: You are performing a two-tailed test with test statistic z=-1.723, find the p-value accurate to 4…
A: The p-value is the probability of obtaining results at least as extreme as the observed results of a…
Q: You are performing a two-tailed t-test with test statistic t=2.42 and a sample of size 45, find the…
A: Given that, n = 45 The type of test is two tailed test The value of test statistic is, t = 2.42 The…
Q: What is the p-value for a one-tailed test using > in the alternative hypothesis with z=1.59? (Use…
A: Given right one tail test as alternate hypothesis has ">". Given test statistic Z = 1.59.The p…
Q: You are performing a two-tailed test with test statistic z=1.99z=1.99, find the p-value to 4 decimal…
A:
Q: You are performing a left-tailed test with test statistic z=−1.959z=-1.959, find the p-value…
A: Given information- Value of test- statistics, z = -1.959 We have to find p-value corresponding to…
Q: You are performing a left-tailed test with test statistic z=−3.3, find the p-value to 4 decimal…
A: Given: Test statistic (z) = -3.3 Test is left tailed
Q: You are performing a left-tailed test with test statistic z=−2.84z=-2.84, find the p-value accurate…
A: It is given that the test statistic is –2.84.
Q: The distribution of scores on a standardized aptitude test is approximately normal with a mean of…
A:
Q: You are performing a two-tailed test with test statistic z=−0.49, find the p-value to 4 decimal…
A: Z test statistic = -0.49 Two tailed test
Q: You are performing a left-tailed t- test with test statistic t = - 1.15 and a sample of size 20,…
A: The sample size is n = 20.
Q: The results of the nationwide aptitude test in Mathematics are normally distributed with mean = 80,…
A: As we are entitled to solve one question at a time I will answer 2nd one as some information is…
Q: You are performing a right-tailed test with test statistic z=1.35z=1.35, find the p-value to 4…
A: The test statistic is 1.35. The test is right tailed. The p-value for the right tailed test is,…
Q: You are performing a right-tailed test with test statistic z 1.6, find the p-value to 4 decimal…
A: P(Z>1.6)=?
Q: You are performing a left-tailed test with test statistic z = −3.24, find the p-value to 4 decimal…
A: Here the test is left tailed and the test statistic z= -3.24
Q: You are performing a left-tailed test with test statistic z=−1.17z=-1.17, find the p-value to 4…
A:
Q: You are performing a left-tailed test with test statistic z=−2.92, find the p-value to 4 decimal…
A:
Q: You are performing a right-tailed test with test statistic z=0.29, find the p-value to 4 decimal…
A: Given Information: Test statistic z = 0.29 It is a right tailed test. Required: To find the p-value.…
Q: You are conducting a left-tailed test of a claim about a population mean when sigma is unknown with…
A: Given, Sample size,n =37 degree of freedom =n-1=37-1=36 Population standard deviation(σ) is not…
Q: The distribution of scores on a standardized aptitude test is approximately normal with a mean of…
A:
Q: You are performing a right-tailed test with test statistic z=1.56, find the p-value to 4 decimal…
A: Given that Test statistic Z = 1.56 The type of the test is right tailed test
Q: You are performing a two-tailed test with test statistic z=−1.723z=-1.723, find the p-value accurate…
A: A p- value is calculated using the sampling distribution of the test statistic under the null…
Q: A test was administered for a group of 400 students and scores were obtained. The scores are…
A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…
Q: You are performing a left-tailed test with test statistic z=−0.06, find the p-value to 4 decimal…
A: We have to find probabaility..
Q: 3. The average score on one of your Math exams was 75 with a standard deviation of 20. Assuming the…
A: We will answer the first question since we only answer one question at a time. please resubmit the…
Q: Past experience indicates that the time for high school seniors to complete a standardized test is a…
A: Sample size is n = 20 Sample mean = 33.1 And sample SD = 4.3 Level of significance = 0.01
Q: a sample of size 30, find the p-value to 4 decimal places
A: As given, For a t-test the test statistic is t = 3.04. The sample size (n) = 30. It is required to…
Q: The distribution of scores on a standardized aptitude test is approximately normal with a mean of…
A: Given problem is normal distribution. Let, X : Scores on a aptitude test Mean=μ=480 Standard…
Q: On a recent calculus exam, a class mean was 69 with a standard deviation of 2.4. Calculate the…
A:
Q: You are performing a right-tailed test with test statistic z = 0.11, find the p-value to 4 decimal…
A: Given that Right tailed test Z score = 0.11 The P value is region is as follows
Q: A certain type of pumpkin has a mean weight of 6.4 pounds with a standard deviation of 0.5. What is…
A: Proceed as shown below...
Q: You are performing a left-tailed t - test with test statistic t=-1.62 and a sample of size 23, find…
A: Test statistic = t = - 1.62 Sample size = n = 23
Q: Assume that a population of thousands of people whose responses were used to develop the anxiety…
A: Let X denotes the responses of people were used to develop the anxiety test. X is normally…
Q: You are conducting a study to see if the proportion of women over 40 who regularly have mammograms…
A: Given : Test statistic z = - 1.812
Q: You are performing a two-tailed test with test statistic z=−2.306, find the p-value accurate to 4…
A: Concept of p-value: The p-value in hypothesis testing is the probability of obtaining a test…
Q: You are performing a two-tailed test with test statistic z=−2.856z=-2.856, find the p-value accurate…
A: Given Information Two tailed tests Z = -2.856
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