The table below lists frequencies for randomly selected nonfatal occupation injuriesarranged according to day of the week. Assume that we want to use a 0.05 significance levelto test the claim that such injuries occur with equal frequency on different days of the week.DayNumber(C)Ho: P1H₁P₁(B)Ho: P1 = P2 = P3 = P4 = P5H₁ P₁ P2 P3 P4 P5:Monday23O (D)O (B)O (C)Tuesday23Part (a) What are the null and alternative hypotheses corresponding to the stated claim?(A)Ho: P1 = P2 = P3 = P4 = P5H₁: At most one of the probabilities is different from the others.O (A)P2 = P3P2 > P3WednesdayP4 P5P4 P521Thursday(D)Ho: P₁ = P2 = P3 = P4 = P5H₁: At least one of the probabilities is different from the others21Friday19

Suppose p1, p2, p3, p4, and p5 are the true proportion of nonfatal occupation injuries in Monday,…

Answered: The table below lists frequencies for…

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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A marketing agency wanted to determine if a new commercial changed people's opinion about a company. They recruited n=30 participants to watch the commercial. First, everyone was givien a survey to determine their attitudes toward the company. Then, everyone watched the new commercial. Finally, they were given the same survey again and asked about their attitudes toward the comapny after seeing the commercial. The agency wanted to see if attitudes were changed by the commercial. What statistical test should they use?
A study was conducted to determine the proportion of people who dream in black and white instead of color. Among 297 people over the age of 55, 75 dream in black and white, and among 310 people under the age of 25, 19 dream in black and white. Use a 0.05 significance level to test the claim that the proportion of people over 55 who dream in black and white is greater than the proportion for those under 25. Complete parts (a) through (c) below. a. Identify the test statistic. z= 6.51 (Round to two decimal places as needed.) Identify the P-value. P-value = 3.770o (Round to three decimal places as needed.) What is the conclusion based on the hypothesis test? The P-value is greater than the significance level of a = 0.05, so fail to reject the null hypothesis. There is insufficient evidence to support the claim that the proportion of people over 55 who dream in black and white is greater than the proportion for those under 25. b. Test the claim by constructing an appropriate confidence…
need part A result 270 incorrect.
40 people are randomly sent to walk one of four trails. The time (in minutes) they spend completing each trail is recorded in the table below. (a) Test to see if the times needed to complete a trail vary. Use a 0.05 significance level. (b) Test each pair (A/B, A/C, A/D, B/C, B/D, C/D) to see which trails have a statistically significant difference. Indicate your p-value for each comparison, and when the effect is statistically significant (use 0.05 as your significance level), declare which trail of the two takes more time to complete. Trail A - 30, 33, 41, 27, 36, 31, 37, 40, 29, 35 Trail B - 27, 33, 38, 41, 40, 38, 35, 44, 41, 39 Trail C - 25, 34, 41, 39, 32, 30, 36, 35, 27, 33 Trail D - 41, 39, 46, 37, 40, 42, 50, 42, 50, 33, 47, 43
(b) Compute the value of the test statistic. Round the answer to at least three decimal places.
Please help I need in 1 hour thankyou
Is there an association between party affiliation and gender? The accompanying data represent the gender and party affiliation of registered voters based on a random sample of 807 adults. . Question content area bottom Part 1 (a) Construct a frequency marginal distribution. Gender Political Party Female Male Frequency Marginal Distribution for Gender Republican 110 115 enter your response here Democrat 150 103 enter your response here Independent 150 179 enter your response here Frequency Marginal Distribution for Political Party enter your response here enter your response here enter your response here
2. Christmas is a time of year that popularity of certain toys increases, a survey was given to customers on the streets of NYC concerning choices of gifts, technology based or non-technological based. The argument among manufacturer's is that the spread will be equal as a result of the recent trend of getting back to more of a simple life. Use the .05 significance level. Tech Non-Tech 23 27 26 24 22 20
The area of inferential statistics called hypothesis testing is a decision-making process for evaluating claims about a population parameter, based on information obtained from samples. True or false

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