Life on Other Planets Forty-five percent of people believe that there is life on other planets in the universe. A scientist does not agree with this finding. He surveyed 125 randomly selected individuals and found 50 believed that there is life on other planets. At a = 0.10, is there sufficient evidence to conclude that the percentage differs from 45%? Use the critical value method with tables. Do not round intermediate steps. Part: 0/5 Part 1 of 5 (a) State the hypotheses and identify the claim. Ho : (Choose one) H₁: (Choose one) This hypothesis test is a (Choose one) test. Part: 1/5 P O>O □<□ ローロ □≠□ Part 2 of 5 (b) Find the critical value(s). Round the answer to two decimal places. If there is more than one critical value, separate them with commas. Critical value(s): 0,0.... ho Español Submit ssignm Part 3 of 5 (c) Compute the test value. Round the answer to at least two decimal places. z= Part: 3/5 Part 4 of 5 (d) Make the decision. (Choose one) the null hypothesis. Part: 4/5 Part 5 of 5 G (e) Summarize the results. There is (Choose one) 9 planets enough evidence to support the claim not enough evidence to support the claim enough evidence to reject the claim not enough evidence to reject the claim that the percentage of people who believe that there is life on other No G Españo Submi Assi
Life on Other Planets Forty-five percent of people believe that there is life on other planets in the universe. A scientist does not agree with this finding. He surveyed 125 randomly selected individuals and found 50 believed that there is life on other planets. At a = 0.10, is there sufficient evidence to conclude that the percentage differs from 45%? Use the critical value method with tables. Do not round intermediate steps. Part: 0/5 Part 1 of 5 (a) State the hypotheses and identify the claim. Ho : (Choose one) H₁: (Choose one) This hypothesis test is a (Choose one) test. Part: 1/5 P O>O □<□ ローロ □≠□ Part 2 of 5 (b) Find the critical value(s). Round the answer to two decimal places. If there is more than one critical value, separate them with commas. Critical value(s): 0,0.... ho Español Submit ssignm Part 3 of 5 (c) Compute the test value. Round the answer to at least two decimal places. z= Part: 3/5 Part 4 of 5 (d) Make the decision. (Choose one) the null hypothesis. Part: 4/5 Part 5 of 5 G (e) Summarize the results. There is (Choose one) 9 planets enough evidence to support the claim not enough evidence to support the claim enough evidence to reject the claim not enough evidence to reject the claim that the percentage of people who believe that there is life on other No G Españo Submi Assi
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter7: Applying Fractions
Section7.2: Proportions
Problem 47WE
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Question
Transcribed Image Text:Life on Other Planets Forty-five percent of people believe that there is life on other planets in the universe. A scientist does not agree with this finding. He
surveyed 125 randomly selected individuals and found 50 believed that there is life on other planets. At a = 0.10, is there sufficient evidence to conclude that
the percentage differs from 45%? Use the critical value method with tables. Do not round intermediate steps.
Part: 0/5
Part 1 of 5
(a) State the hypotheses and identify the claim.
Ho
:
(Choose one)
H₁:
(Choose one)
This hypothesis test is a (Choose one)
test.
Part: 1/5
P
O>O
□<□
ローロ
□≠□
Part 2 of 5
(b) Find the critical value(s). Round the answer to two decimal places. If there is more than one critical value, separate them with commas.
Critical value(s):
0,0....
ho
Español
Submit ssignm
Transcribed Image Text:Part 3 of 5
(c) Compute the test value. Round the answer to at least two decimal places.
z=
Part: 3/5
Part 4 of 5
(d) Make the decision.
(Choose one) the null hypothesis.
Part: 4/5
Part 5 of 5
G
(e) Summarize the results.
There is (Choose one)
9
planets enough evidence to support the claim
not enough evidence to support the claim
enough evidence to reject the claim
not enough evidence to reject the claim
that the percentage of people who believe that there is life on other
No
G
Españo
Submi Assi
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