Listed below are the times (in minutes) it took a sample of students to complete a statistics test. Using a 0.20significance level, test the claim that students spend 40 minutes completing the statistics test.40 27 36 24 38 45 17 21 46 38 35 29 31Round the test statistic to the nearest hundredth and the p-value to four decimal places.The test statistic isThe p-value isShould the null hypothesis be rejected?[Type "yes" if the null hypothesis is rejected and "no" if the null hypothesis is not rejected.]

The random variable time follows normal distribution. We have to test whether students spend 40…

Answered: Listed below are the times (in minutes)…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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It is impossible to get 6 jacks when selecting cards from a shuffled deck. Express the indicated degree of likelihood as a probability value between 0 and 1 inclusive. The probability is (Type an integer or a decimal.)
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Is Friday the 13th Unlucky? The table shows the number of hospital admissions for Friday the 6th and Friday the 13th. Assume that the two samples are randomly selected. At the 0.05 significance level, test the claim that there is no mean difference in the number of hospital admissions for Friday the 6th and Friday the 13th.(Be sure to subtract in the same direction). Friday 6th Friday 13th Difference 4 2 6 10 5 6 9 13 3 2 11 15 12 12 What are the correct hypotheses? (Select the correct symbols and values.)H0: Select an answer μ₁ μ(d) x̄₂ σ₁² x̄₁ s₁² p μ ? = < ≤ ≠ > ≥ Select an answer 0 μ₁ μ₂ x̄₁ p σ₁² s₁² x̄₂ μ H1: Select an answer x̄₂ μ₁ μ p μ₂ x̄₁ s₂² μ(d) σ₂² ? < ≥ ≠ = ≤ > Select an answer μ x̄₂ s₁² x̄₁ p 0 μ₂ σ₁² μ₁ Original Claim = Select an answer H₀ H₁ df = Based on the hypotheses, find the following: Test Statistic = (Round to three decimal places.)Critical value(s) = ±± (Round to three decimal places.)p-value = (Round…
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Im confused on this problem
Is Friday the 13th Unlucky? The table shows the number of hospital admissions for Friday the 6th and Friday the 13th. Assume that the two samples are randomly selected. At the 0.05 significance level, test the claim that there is no mean difference in the number of hospital admissions for Friday the 6th and Friday the 13th.(Be sure to subtract in the same direction). Friday 6th Friday 13th Difference 4 2 6 10 5 6 9 13 3 2 11 15 12 12
A random sample of 50 pieces of candy from a bag of assorted types is examined. Which of the following types of candy contributes the most to the chi-square statistics and why?
A hospital has a main campus and three satellite locations. Management wants to reduce waiting time for ER cases. A random sample of 11 ER cases at each location was selected, and the waiting time was measured. Excel.) Complete parts (a) through (d) to determine if there is statistical evidence of a difference in the mean waiting times betweeen the four locations. a. State the two hypotheses. Choose the correct answer below. O B. Ho: H1 = H2 = ••• = H4 H;: 41 H2# • • • # µ4 O A. Ho: H1 =H2 = ••• = H4 H;: Not all H are equal (where j= 1,2,.4) OC. Họ: H1 = H2 = • •• = H1 H;: 41 # H2# • •• #H11 D. Ho: H1 = H2= • •• - H11 H;: Not all H; are equal (where j= 1,2,.,11) b. At the 0.05 level of significance, state the test statistic. (Round to two decimal places to the right of the decimal point as needed.) O A. FSTAT = 0.005 , from the first row of the ANOVA table O B. FSTAT = 4.91 , from the first row of the ANOVA table O C. FSTAT = 2.05 , from the first row of the ANOVA table O D. FSTAT =…

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