A certain medicine is said to be 79% effective in giving relief to people with allergic reactions to cats and dogs. A vet believes this claims is too high. In a random sample of 190 people with allergies, 133 people got relief. Is the vet correct at a =5 %?
A certain medicine is said to be 79% effective in giving relief to people with allergic reactions to cats and dogs. A vet believes this claims is too high. In a random sample of 190 people with allergies, 133 people got relief. Is the vet correct at a =5 %?
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
100%
Question 1
Subparts C, F which I got wrong
![np > 5 and n(1-p) > 5
(e) State the decision rule:
Reject HO and accept Ha V at a =
o% if the p-value of the
sample statistic
O is less than or equal to 0.05
(f) Experiment:
Symbol of the sample statistic:
Op
Or
Ox
O už
O Hp
Value of the sample statistic rounded to 4 decimal places: 3.0458
P-value of the sample statistic rounded to 4 decimal places: 0.0012
(g) Conclusion: Reject HO and accept Ha v at a =5
(h) Answer the question: Is the vet correct?
O Yes, because the p-value is less than alpha.
O No, because the p-value is less than alpha.
O Yes, because the p-value is greater than alpha.
O No, because p-value is greater than alpha.
(i) Error: What type of error could have been made in this test, and what does it mean?
O Type 1- the proportion of people who get relief with the medicine is really less than 79%, but we
incorrectly rejected 79%.
O Type 2 - the proportion of people who get relief with the medicine is really less than 79%, but we
incorrectly failed to reject 79%.
O Type 2 - the proportion of people who get relief with the medicine really is 796, but we incorrectly
failed to reject 79%.
O Type 1- the proportion of people who get relief with the medicine really is 79%, but we incorrectly
rejected 79%](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F35277986-e045-4d39-a11d-aa7f79b002f7%2F3f294173-19bb-4fd6-a8d7-e1cb18ff7f90%2Fahypbs8_processed.jpeg&w=3840&q=75)
Transcribed Image Text:np > 5 and n(1-p) > 5
(e) State the decision rule:
Reject HO and accept Ha V at a =
o% if the p-value of the
sample statistic
O is less than or equal to 0.05
(f) Experiment:
Symbol of the sample statistic:
Op
Or
Ox
O už
O Hp
Value of the sample statistic rounded to 4 decimal places: 3.0458
P-value of the sample statistic rounded to 4 decimal places: 0.0012
(g) Conclusion: Reject HO and accept Ha v at a =5
(h) Answer the question: Is the vet correct?
O Yes, because the p-value is less than alpha.
O No, because the p-value is less than alpha.
O Yes, because the p-value is greater than alpha.
O No, because p-value is greater than alpha.
(i) Error: What type of error could have been made in this test, and what does it mean?
O Type 1- the proportion of people who get relief with the medicine is really less than 79%, but we
incorrectly rejected 79%.
O Type 2 - the proportion of people who get relief with the medicine is really less than 79%, but we
incorrectly failed to reject 79%.
O Type 2 - the proportion of people who get relief with the medicine really is 796, but we incorrectly
failed to reject 79%.
O Type 1- the proportion of people who get relief with the medicine really is 79%, but we incorrectly
rejected 79%
![A certain medicine is said to be 79% effective in giving relief to people with allergic reactions to cats and
dogs. A vet believes this claims is too high. In a random sample of 190 people with allergies, 133 people got
relief. Is the vet correct at a = 5 %?
(a) State the hypotheses:
Họ: The population proportion
VVo
of people who get relief from the medicine
is equal to
of
0.79
Symbols: OpO zO µO µ5, ¿O µ;● p© µ÷O µ - µy0 H EV
0.79
9.
H: The population proportion
VV
of people who get relief from the medicine
is less than
O0.79
Symbols: OO µO µ1 - µ2O µô. - O zO uzO µžj -ž0p® po v o
0.79
(b) The correct symbol for the mean of the sampling distribution is:
Ox
O uz
Op
Op
Or
Op, - Pa
OP-
(c) The value for the mean of the sampling distribution is: 0.7
(d) Choose the correct distribution:
Normal Distribution
O Chi-Square Distribution
OT-Distribution
Why?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F35277986-e045-4d39-a11d-aa7f79b002f7%2F3f294173-19bb-4fd6-a8d7-e1cb18ff7f90%2Fsqev5fc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A certain medicine is said to be 79% effective in giving relief to people with allergic reactions to cats and
dogs. A vet believes this claims is too high. In a random sample of 190 people with allergies, 133 people got
relief. Is the vet correct at a = 5 %?
(a) State the hypotheses:
Họ: The population proportion
VVo
of people who get relief from the medicine
is equal to
of
0.79
Symbols: OpO zO µO µ5, ¿O µ;● p© µ÷O µ - µy0 H EV
0.79
9.
H: The population proportion
VV
of people who get relief from the medicine
is less than
O0.79
Symbols: OO µO µ1 - µ2O µô. - O zO uzO µžj -ž0p® po v o
0.79
(b) The correct symbol for the mean of the sampling distribution is:
Ox
O uz
Op
Op
Or
Op, - Pa
OP-
(c) The value for the mean of the sampling distribution is: 0.7
(d) Choose the correct distribution:
Normal Distribution
O Chi-Square Distribution
OT-Distribution
Why?
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