A medical researcher says that less than 77% of adults in a certain country think that healthy children should be required to be vaccinated. In a random sample of 600 adults in that country, 73% think that healthy children should be required to be vaccinated. At a=0.05, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below.

MATLAB: An Introduction with Applications
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A medical researcher says that less than
77%
of adults in a certain country think that healthy children should be required to be vaccinated. In a random
sample of
600
adults in that country,
73%
think that healthy children should be required to be vaccinated. At
a-0.05,
is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below.
A. Write the claim mathematically and identify Ho and Ha.
B. Find the critical values and rejection area
c. find standardized test statistic
d. decide to reject or fail
e. interpret in the context
DFocus
Transcribed Image Text:Preview Results Finish A medical researcher says that less than 77% of adults in a certain country think that healthy children should be required to be vaccinated. In a random sample of 600 adults in that country, 73% think that healthy children should be required to be vaccinated. At a-0.05, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below. A. Write the claim mathematically and identify Ho and Ha. B. Find the critical values and rejection area c. find standardized test statistic d. decide to reject or fail e. interpret in the context DFocus
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