Exercise 2Directions: For each pair of null and alternative hypotheses, determine whether the set is a valid set ofhypotheses, write Y for yes and N for no.QuestionNullAlternativeValid? (Y/N)numberHypothesisHypothesis1Ho: H= 36H1: H# 362.Ho: R = .45Hi: M # .45Ho: X = 27H2: X ± 27%3DHo: 211H1: ns 11Ho: H>47Hi: US476.Ho: p = .70Hi: p.707.Ho: H2 98H3: H<98Ho: ps.44Hi: p>.44Họ: X < 58H: X < 586.10Ho: RE.81H: >.814,5.

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Answered: Exercise 2 Directions: For each pair of…

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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Examine the given statement, then express the null hypothesis Ho and the alternative hypothesis H1 in the symbolic form: (1) The mean weight of women who won a beauty pageant is equal to 120 lbs. (2) There are more then 97% of LBCC students have computers. (3( There are at least 50% of LBCC students have a job while studying>
Bonus Problem: For each situation, decide whether the null hypothesis should be rejected. (a) α = 0.01, P-value = 0.047, (b) α = 0.01, P-value = 0.15.
Test the null hypothesis of independence of the two classifications A and B of the accompanying contingency table. Use α = 0.05. Click the icon to view the table. Specify the null and alternative hypotheses. Choose the correct answer below. A. Ho: The row and column classifications are dependent H₂: The row and column classifications are independent B. Ho: The row and column classifications are independent H₂: The row and column classifications are dependent OC. Ho: The classifications A₁ and B₁ are independent H₂: The classifications A₁ and B₁ are dependent Find the test statistic. x² (Round to the nearest hundredth as needed.) Specify the rejection region. Choose the correct answer below. O A. x² >9.48773 O B. x² > 15.5073 O C. x² O D. x² >3.84146 > 16.9190 State the conclusion. Choose the correct answer below. Data table wwwwwww A A₁ A₂ A3 O A. Reject Ho, there is insufficient evidence to indicate the row and column classification are dependent at x = 0.05. Print B₁₁ 41 63 31 B B₂…
Let’s take another look at the dinosaur example from the first part of the exam. Go ahead and figure out if smoking causes deaths in dinosaurs. Do not forget to follow all the steps of a hypothesis test; use =0.05, write out the conclusion. Smoking Die yes no TOTAL yes 1845 97 1942 no 496 1359 1855 TOTAL 2341 1456 3797
A recent study at a university showed that the proportion of students who commute more than 15 miles to school is 25%. Suppose we have good reason to suspect that the proportion is greater than 25%, and we carry out a hypothesis test. State the null hypothesis H, and the alternative hypothesis H, that we would use for this test. Ho: 0 H;: D O
Let’s assume the average income for all majors in the School of Engineering is $80,000. However, the chair of the Computer Science department thinks their students earn more than that. Please choose the appropriate null and alternative hypotheses if the chair wanted to test this belief. a. H0: u <=80,000 Ha: u > 80,000 b. H0: u= 80000 Ha: u not= 80000 c. H0: u >80000 Ha: u < 80000 d. H0: u >80000 Ha: < 80000 e. None of the above.
A researcher wanted to determine if carpeted rooms contain more bacteria than uncarpeted rooms. The table shows the results for the number of bacteria per cubic foot for both types of rooms. Full data set O Carpeted Uncarpeted 9.4 9.1 16 10.8 6.4 10.8 14.8 8.8 11.5 11.6 13.7 9.4 10.7 12.4 13.4 7.8 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. OA Ho P1 H2 B. Ho H1 F2 OC Ho H= H2
Quesiton 43
X https://ezto-cf-med X //ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%252F%252FI... A All menti # Question 1- Ch 9A X Test statistic a-2. Find the p-value. 3 In order to conduct a hypothesis test for the population proportion, you sample 400 observations that result in 140 successes. (You may find it useful to reference the appropriate table: z table or t table) '* He: p≥ 0.36; HA: P wwwmtalk. 144 ( 9 0 K f10 O ➤11 C Sign In or Sign Up | x | + ♡ O A P Help 112 Save & Exit L [ Check my work insert G Submit 4x prt sc backspa
Please find (c), (d), (e) and if possible check to see if my degrees of freedom is correct please:)
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