Question
A medical researcher says that less than 82% of adults in a certain country think that...
A medical researcher says that less than 82% 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, 80% think that healthy children should be required to be vaccinated. At alphaαequals=0.01, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below.
c) Find the standardized test statistic z.
z= ???
d) Decide whether to reject or fail to reject the null hypothesis and (e) interpret the decision in the context of the original claim.
(Fail to reject/ Reject) the null hypothesis. There (is/ is not) enough evidence to support the researcher's claim.
Please explain your answers, as I do not understand how to do this! Thank you :)
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