The following data are believed to have come from a normal distribution.18 25 23 26 20 25 19 24 21 15 12 231922 2223 19 17 25 25244530 29 27 32 29352431Use the goodness of fit test with six classes and a = 0.05 to test this claim.State the null and alternative hypotheses.O Ho: The population has a normal probability distribution.H: The population does not have a normal probability distribution.: The population has a normal probability distribution.H: The data has a x? distribution.Ho:O Ho: The population does not have a normal probability distribution.H: The population has a normal probability distribution.Ho: The population has a normal probability distribution.H: The data has a sampling mean distribution.Find the value of the test statistic.Find the p-value. (Round your answer to four decimal places.)p-value =State your conclusion.Reject H,. We can reject the claim that the data comes from a normal distribution.Reject Ho. The claim that the data comes from a normal distribution cannot be rejected.Do not reject H: The claim that the data comes from a normal distribution cannot be rejected.Do not reject Ho: We can reject the claim that the data comes from a normal distribution.

Chi- square test : A chi-square test is a statistical test that is used to compare observed and…

Answered: The following data are believed to have…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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0.028 0.147 0.321 0.332
5 A recent study focused on the number of times men and women who live alone buy take-out dinner in a month. Assume that the distributions follow the normal probability distribution and the population standard deviations are equal. The information is summarized below. eBook P Print r References Statistic Sample mean Sample standard deviation Sample size At the .01 significance level, is there a difference in the mean number of times men and women order take-out dinners in a month? Required: a. State the null and alternate hypotheses. Test statistic ⒸHo: Men Women H₁: Men Women O Ho: Men Women H: Men Women O Ho: Men Women H₁: Men # "Women b. Compute the test statistic. (Round your answer to 3 decimal places.) Men 23.70 5.77 34 p-value Women 21.66 4.68 38 c. Compute the p-value. NOTE: P-value calculators are available through online search. (Round your answer to 4 decimal places.) Ⓒ Do not reject O Reject d. What is your decision regarding the null hypothesis? O Yes ⒸNo e. At the 0.01…
Given the following data for an imaginary superhero universe: Flying Telepathy Super Strength Female 53 19 26 Male 54 2 16 Distribution of Super Power by Gender What is the empirical probability that a randomly selected superhero will have telepathy?
The following data are believed to have come from a normal distribution. 20 24 25 25 22 24 21 23 23 14 14 22 21 21 24 22 21 16 27 24 26 44 32 28 29 31 31 34 26 30 Use the goodness of fit test with six classes and ? = 0.05 to test this claim. 1) State the null and alternative hypotheses: A) H0: The population does not have a normal probability distribution. Ha: The population has a normal probability distribution. B) H0: The population has a normal probability distribution. Ha: The data has a sampling mean distribution. C) H0: The population has a normal probability distribution. Ha: The population does not have a normal probability distribution. D) H0: The population has a normal probability distribution. Ha: The data has a ?2 distribution. 2) Find the value of the test statistic. _______ Find the p-value. (Round your answer to four decimal places.) p-value = 3) State your conclusion: A) Do not reject H0. The claim that the data comes from a normal…
A education.wiley.com E NWP Assessment Player UI Application ER P -/ 1 Question 14 of 25 10 12 14 16 p(x) 0.20 0.30 0.25 0.25 (a) Use the probability function given in the table to calculate the mean of the random variable. Enter the exact answer. eTextbook and Media Assistance Used Hint Assistance Used (b) Use the probability function given in the table to calculate the standard deviation of the random variable. Round your answer to three decimal places. eTextbook and Media Assistance Used Hint Assistance Used MacBook Air 80 888 F3 F4 F5 DD F7 F8 F9 F10 %23 & 3 4 E II * CO
A Statistics class has 85 students. 48 of these are females and 37 are males. A random sample of 11 students in the class is selected. Let X = the number of the selected students who are female. a. What is the expected value of X? b. What is the standard deviation of X? c. What is the probability that X is within 2.0 standard deviations of its expected value? d. What is the probability that X = 1.5?
Determine whether carpeted rooms have more bacteria than uncarpeted rooms at the a = 0.05 level of significance. Normal probability plots indicate that the data are approximately normal and boxplots indicate that there are no outliers. State the null and alternative hypotheses. Let population 1 be carpeted rooms and population 2 be uncarpeted rooms. A. Ho: H1= H2 H1: H1> H2 B. Ho: H1 H2 c. Hoi H1= H2 H1: H1
Given the following data for an imaginary superhero universe: Flying Telepathy Super Strength Female 73 71 38 Male 61 90 76 Distribution of Super Power by Gender What is the empirical probability that a randomly selected female superhero will be able to fly?
5) Estimate the mean and standard deviation of the underlying normal distribution from which the following data has been generated, using the probability plot method. 4.99 3.73 5.52 -1.83 4.33 2.33 3.67 2.49 3.19 5.40 1.36 1.25 7.42 4.38 4.72 0.27 3.04 1.23 2.88 -3.58
Given the following data for an imaginary superhero universe: Flying Telepathy Super Strength Female 21 61 74 Male 29 27 85 Distribution of Super Power by Gender What is the empirical probability that a randomly selected female superhero will be able to fly?
A hospital wants to determine if the type of treatment for pneumonia is a factor in recovery time? The table below shows the number of days to recovery for several randomly selected pneumonia patients that had various types of treatment. Sent Home With Medicine A Few Hours in the Hospital Overnight Hospital Stay 25 16 8 15 8 16 15 24 10 17 20 6 17 16 10 28 20 17 12 17 13 26 23 Assume that all distributions are normal, the three population standard deviations are all the same, and the data was collected independently and randomly. Use a level of significance of α=0.01α=0.01.H0: μ1=μ2=μ3H0: μ1=μ2=μ3H1:H1: At least two of the means differ from each other. For this study, we should use Incorrect The test-statistic for this data = (Please show your answer to 3 decimal places.) The p-value for this sample = (Please show your answer to 4 decimal places.) The p-value is Incorrect αα Base on this, we should Incorrect hypothesis As such, the final…
The average production of all machines in a fabrication is 18 finished materials in one hour with a standard deviation of 4 materials per hour. What is the probability that a sample of 6 machines will produce more than 20 materials per hour? A. 10.12% B. 11.12% C. 11.15% D. 12.11%

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