To test the hypothesis H1:us87, one would usea(n)tailed test.Choices:twoleftright

Solution-: Given: μ0=87 H1:μ≤87 We identify test Two, Left, Right

Answered: To test the hypothesis H1:u<87, one…

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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GivenH0:p≥80%andHa:p<80%, determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed. right-tailed left-tailed two-tailed
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80 percent of UNO students drive to campus. Which is more likely (a) Out of 10 randomly selected UNO students, exactly 5 drive to campus (b) Out of 20 randomly selected UNO students, exactly 10 drive to campus.
Student answers choosing randomly YES or NO. To pass the exam he must answer correctly for at least 2/3 of all questions. What is his chance if there are: (a) 6 , (b) 9 , (c) 12 questions in the test?[Ans.0, 3437; 0, 2519; 0, 1909 ]
A sports company is struggling during corona epidemic. This sports company uses this time in analysis to make profit when time is right. The company was doing analysis of the last digit of their jerseys, which were most sold during the FIFA world cup. The company hires you to test the claim that the last digit of jerseys from the population which has different frequency, SRS of 300 sports fans are randomly selected. The table is formed from the results. Last digit o 1 2 3 |5 |6 |7 36 37 4 8 9 Frequency 30 35 24 25 35 27 27 24 The company assigns you the tasks: 1) What are the observed and expected frequencies for their last digit of 7? Choose one of the following: a) 7.7 b) 27.27 c) 27.30 d) 30.27 e) 7.27
Illustrate the problem with doing t tests among all pairs of means?
Suppose you want to test how fair is the coin. You conduct the following experiment. You flip the 2 coins multiple times and observe HH - 31 times, HT - 15 times, TH - 15 times, and TT - 22 times. What is the Test Statistics to test the Null Hypothesis that the coin is fair against the alternative hypothesis that the coin is unfair?
Foreign freshmen are required to take an English placement exam. Over the past several years, 20% of the new students have failed the test and have been placed in remedial classes. In a sample of n = 100 studentsfrom this year’s class, only 12 failed the test.
V5
Perform a statistical analysis / test of hypothesis Suppose a researcher wants to see whether teaching students to read using a computer game gives better results than teaching with a tried-and-true phonics method. She randomly selects 20 students and puts them into 10 pairs according to their reading readiness level, age, IQ, and so on. She randomly selects one student from each pair to learn to read via the computer game, and the other learns to read using the phonics method. At the end of the study, each student takes the same reading test. The data are shown in the following table. Student Pair 1 2 3 4 5 6 7 8 9 10 Reading Score under Computer Method 85 80 95 87 78 82 57 69 73 99 Reading Score under phonics method 80 80 88 90 72 79 50 73 78 95 Test whether there is a significant difference between the computer method and the phonics method. If there is a significant difference, which particular method…
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Pls help ASAP

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To test the hypothesis H1:u<87, one would use a(n) -tailed test. Choices: two left right