Answered: (c)Compute the test value. Round the…

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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Life on Other Planets Forty-eight percent of people believe that there is life on other planets in the universe. A scientist does not agree with this finding. He surveyed 130

randomly selected individuals and found 52 believed that there is life on other planets. At

α=0.05 , is there sufficient evidence to conclude that the percentage differs from

48% ? Use the critical value method with tables.

(a)State the hypotheses and identify the claim.

:H0 ▼(Choose one)

:H1 ▼(Choose one)

This hypothesis test is a ▼(Choose one) test.

(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):

(c)Compute the test value. Round the answer to at least two decimal places.

(d)Make the decision.

(choose one) the null hypothesis

(e)Summarize the results.

There is ▼(Choose one) that the percentage of people who believe that there is life on other planets differs from

48%

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