Can you answer all these questions: a is incomplete and im unsure of all. Problem #3: A high-risk group of 808 male volunteers was included in a major clinical trial fortesting a new vaccine for type B hepatitis. The vaccine was given to 328 personsrandomly selected from the group, and the others were injected with a neutralsubstance (placebo). 15 of the vaccinated people and 33 of the nonvaccinated oneslater got the disease.We wish to test the hypothesis that the probability of getting type B hepatitis isdifferent (higher or lower) for people who were vaccinated compared with peoplewho were not, using the 5% significance level.(a) If we use the contingency table method to test this hypothesis, find the 4values in the expected table.Problem #3 (d):(b) Find the value of the test statistic (using the contingency table method).(c) Find the critical value (using the contingency table method).Problem #3(a): 328,40,808Problem #3(e):(d) Using the z-test for proportions, find the value of the test statistic (and verifythat z = x², when there is one degree of freedom).(e) Find the p-value.Problem #3(b): 1.848Problem #3(c): 3.841Separate your answers with a comma.The order doesn't matter.Answers correct to 4 decimals.test statistic (correct to 3 decimals)critical value (correct to 3 decimals)answer correct to 2 decimalsp-value (correct to 4 decimals) Problem #3: A high-risk group of 808 male volunteers was included in a major clinical trial fortesting a new vaccine for type B hepatitis. The vaccine was given to 328 personsrandomly selected from the group, and the others were injected with a neutralsubstance (placebo). 15 of the vaccinated people and 33 of the nonvaccinated oneslater got the disease.We wish to test the hypothesis that the probability of getting type B hepatitis isdifferent (higher or lower) for people who were vaccinated compared with peoplewho were not, using the 5% significance level.(a) If we use the contingency table method to test this hypothesis, find the 4values in the expected table.Problem #3(d):(b) Find the value of the test statistic (using the contingency table method).(c) Find the critical value (using the contingency table method).Problem #3(a): 328,40,808Problem #3(e):(d) Using the z-test for proportions, find the value of the test statistic (and verifythat z² = x², when there is one degree of freedom).(e) Find the p-value.Problem #3(b): 1.848Problem #3(c): 3.841ADDSeparate your answers with a comma.The order doesn't matter.Answers correct to 4 decimals.test statistic (correct to 3 decimals)critical value (correct to 3 decimals)answer correct to 2 decimalsp-value (correct to 4 decimals)

Number of male volunteers =808. The vaccine was given to 328 persons, remaining were injected with a…

Problem #3: A high-risk group of 808 male volunteers was included in a major clinical trial testing a new vaccine for type B hepatitis. The vaccine was given to 328 pers randomly selected from the group, and the others were injected with a neu substance (placebo). 15 of the vaccinated people and 33 of the nonvaccinated o later got the disease. We wish to test the hypothesis that the probability of getting type B hepatitis different (higher or lower) for people who were vaccinated compared with peo who were not, using the 5% significance level. (a) If we use the contingency table method to test this hypothesis, find the values in the expected table. (b) Find the value of the test statistic (using the contingency table method). (c) Find the critical value (using the contingency table method).

Problem #3: A high-risk group of 808 male volunteers was included in a major clinical trial testing a new vaccine for type B hepatitis. The vaccine was given to 328 pers randomly selected from the group, and the others were injected with a neu substance (placebo). 15 of the vaccinated people and 33 of the nonvaccinated o later got the disease. We wish to test the hypothesis that the probability of getting type B hepatitis different (higher or lower) for people who were vaccinated compared with peo who were not, using the 5% significance level. (a) If we use the contingency table method to test this hypothesis, find the values in the expected table. (b) Find the value of the test statistic (using the contingency table method). (c) Find the critical value (using the contingency table method).

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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Question

Can you answer all these questions: a is incomplete and im unsure of all.

Problem #3: A high-risk group of 808 male volunteers was included in a major clinical trial for
testing a new vaccine for type B hepatitis. The vaccine was given to 328 persons
randomly selected from the group, and the others were injected with a neutral
substance (placebo). 15 of the vaccinated people and 33 of the nonvaccinated ones
later got the disease.
We wish to test the hypothesis that the probability of getting type B hepatitis is
different (higher or lower) for people who were vaccinated compared with people
who were not, using the 5% significance level.
(a) If we use the contingency table method to test this hypothesis, find the 4
values in the expected table.
Problem #3 (d):
(b) Find the value of the test statistic (using the contingency table method).
(c) Find the critical value (using the contingency table method).
Problem #3(a): 328,40,808
Problem #3(e):
(d) Using the z-test for proportions, find the value of the test statistic (and verify
that z = x², when there is one degree of freedom).
(e) Find the p-value.
Problem #3(b): 1.848
Problem #3(c): 3.841
Separate your answers with a comma.
The order doesn't matter.
Answers correct to 4 decimals.
test statistic (correct to 3 decimals)
critical value (correct to 3 decimals)
answer correct to 2 decimals
p-value (correct to 4 decimals)

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