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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If a hypothesis test rejects the null hypothesis test at a = 0.05 will it also always reject the null at a = 0.01?
Some of the statements below refer to the null hypothesis, some to the alternate hypothesis. State the null hypothesis, H0, and the alternative hypothesis, Ha, in terms of the appropriate parameter (μ or p) Part 1) The chance of developing breast cancer is under 11% for women. a) H0: μ < 11, Ha: μ ≥ 11 b) H0: μ ≥ 11, Ha: μ < 11 c) H0: p < 0.11, Ha: p ≥ 0.11 d) H0: p = 0.11, Ha: p ≠ 0.11 e) H0: μ = 11, Ha: μ ≠ 11 f) H0: μ ≤ 11, Ha: μ > 11 g) H0: p ≤ 0.11, Ha: p > 0.11 h) H0: p ≥ 0.11, Ha: p < 0.11 Part 2)Private universities' mean tuition cost is more than $20,000 per year. a) H0: p ≤ 20,000, Ha: p > 20,000 b) H0: μ > 20,000, Ha: μ ≤ 20,000 c) H0: p = 20,000, Ha: p ≠ 20,000 d) H0: μ = 20,000, Ha: μ ≠ 20,000 e) H0: p > 20,000, Ha: p ≤ 20,000 f) H0: μ ≤ 20,000, Ha: μ > 20,000 g) H0: p ≥ 20,000, Ha: p < 20,000 h) H0: μ ≥ 20,000, Ha: μ < 20,000
Let’s say your grandfather is 72 years old and your question is “Are my classmates’ grandfathers, on average, older than mine is”? What would be the null and alternative hypotheses in this scenario? Group of answer choices H0 : The population average age is less than 72. Ha : The population average age is greater than or equal to 72. The population average age is greater than 72. Ha : The population average age is less than 72. H0 : The population average age is equal to 72. Ha : The population average age is less than 72. H0 : The population average age is equal to 72. Ha : The population average age is greater than 72.
(1 point) According to a recent marketing campaign, 100 drinkers of either Diet Coke or Diet Pepsi participated in a blind taste test to see which of the drinks was their favorite. In one Pepsi television commercial, an anouncer states that "in recent blind taste tests, more than one half of the surveyed preferred Diet Pepsi over Diet Coke." Suppose that out of those 100, 42 preferred Diet Pepsi. Test the hypothesis, using a = 0.05 that more than half of all participants will select Diet Pepsi in a blind taste test by giving the following: (a) the test statistic (b) the critical z score
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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
F and G parts only please
H.P. statistician, please show work and neat handwriting
Which statement describes a Type II Error? Fail to reject the null hypothesis H0, when H0 is actually true Reject the null hypothesis H0, when H0 is actually true Fail to reject the null hypothesis H0, when H0H0 is false Reject the null hypothesis H0, when H0 is actually false
Number 1
A hypothesis test is to be performed. Describe the two possible outcomes of the test using the context of the given situation.Last month the average waiting time at a bank was 8.4 minutes. The manager has installed a new computer system and claims that people will no longer have to wait as long. The hypotheses are as follows:Null hypothesis: average waiting time = 8.4 minutes Alternative hypothesis: average waiting time < 8.4 minutes Rejecting the null hypothesis means there is insufficient evidence that the mean waiting time is equal to 8.4 minutes. Accepting the null hypothesis means there is evidence to conclude that the mean waiting time is equal to 8.4 minutes. Rejecting the null hypothesis means there is evidence that the mean waiting time is not equal to 8.4 minutes. Failing to reject the null hypothesis means there is insufficient evidence to conclude that the mean waiting time is less than 8.4 minutes. Rejecting the null hypothesis means there is…
Less than 60% of workers indicate that they are satisfied with their job. Express the null and alternative hypotheses in symbolic form for this claim (enter as a percentage).H0:p= H1:p=

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