Question 6: give the null and alternative hypothesis. The mean of a population is assumed to be 75. However datasuggests the mean can be less than 75. A sample of size100 from the population is considered. Assume a calculatedsample mean of 60 and a standard deviation of 10. At the 1%significance level we will determine if the null hypothesisshould be rejected. Give the null and alternative hypothesis.Null: The population mean is 60, Alternative: The population meanis less than 60Null: The population mean is 60, The population mean is greaterthan 60Null: The population mean is 75, Alternative: The population meanis less than 75Null: The population mean is 75, Alternative: The population meanis greater than 75

Answered: Image /qna-images/answer/247c133e-894c-4f99-a5c8-4ee44d1ef9dd.jpg

Answered: The mean of a population is assumed to…

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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A hospital claims that the proportion of full-term babies born in the hospital who weigh less than seven pounds is no more than 44%. Suppose that we want to carry out a hypothesis test for this claim, suspecting otherwise. State the null hypothesis Ho and the alternative hypothesis H, that we would use for this test. Ho: 0 H: ] Aa OSO
It is clairmeu that the proportion of high school students in the United States who use computers for educational purposes is at most 72%. Suppose that we have reason to believe otherwise and wish to carry out a hypothesis test for this claim. State the null hypothesis H, and the alternative hypothesis H, that we would use for this test. H, :0 H, :0 O
QUESTION 1 If the alternate hypothesis states that p # 4,000, where is the rejection region for the hypothesis test? O 1. In the lower or left tail O 2. In the center O 3. In the upper or right tail O 4. In both tails Click Save and Submit to save and submit. Click Save All Answers to save all answers. hp
Suppose that X, Y, and Z are jointly distributed random variables, that is, they are defined on the same sample space. Suppose that we also have the following. E(X)=-1 E(Y) = 4 E (Z)=0 Var(X)=20 Var(Y) = 27 Var (Z) = 38 Compute the values of the expressions below. E (5Z-2) = 0 2Z+X -5 Var(2X-3) = 0 E = E (32²) = 0 Explanation Check X O hp Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Term
QUESTION 4 Assume you are conducting a hypothesis test to determine if pesticides cause cancer in rural areas. The hypotheses are: The null hypothesis is no cancer. The alternate hypothesis is cancer. Select if the result for Box B is correct, a Type I error, a Type Il error or if there is insufficient information to make the decision. *****Read the labels very carefully. Но: по сапсer Ha: cancer Reality: Reality: Null is true Alternate is true (i.e. no cancer) (i.e. cancer) Decision: Accept the null hypothesis (i.e. test is negative for cancer) A B
A presidential candidate claims that the proportion of college students who are registered to vote in the upcoming election is at least 64%. Suppose that we want to sample a number of college students and carry out a hypothesis test to see if this daim may be refuted. State the null hypothesis H, and the alternative hypothesis H, that we would use for this test. H: 0 H;: 0 A OSO D=0
Which of the following is not a correct way to state a null hypothesis? A Ho:P1- P2= o B Ho: H1 - H2 =0 C Ho: H=0 D Ho: p=0.5
Question 29 If the p-value is less than alpha in a one-tail test, what decision can you make? O A two-tail test should be used. O The null hypothesis should not be rejected. O Alpha should be changed. O The null hypothesis should be rejected.
A decade-old study found that the proportion of high school seniors who felt that "getting rich" was an important personal goal was 69%. Suppose that we have reason to believe that this proportion has changed, and we wish to carry out a hypothesis test to see if our belief can be supported. State the null hypothesis H, and the alternative hypothesis H, that we would use for this test. Ho: 0 H1: 0 O=0
The solution for H0 or H1 was not given or explained in the expert solution provided.
You watch people exiting Dodgers stadium after a game and you write down the number of males and the number of females that exit the stadium past you during the 20 minutes that you spend watching. You assumed that there would be a perfectly equal number of males and females attending a Dodgers game, but you look at the number of males and females that you actually counted, and you see if you still think that is actually true. What kind of hypothesis test would allow you to do this? a. One-Factor, Independent-Measures ANOVA b. Two-Factor ANOVA c. Correlation/Regression d. Chi-Square Goodness of Fit
Number 1

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