The following is a set of hypotheses, some information from one or more samples, and a standard error from a randomization distribution. test h0 : p=0.28 vs ha : p< 0.28 when the sample has n=800, and p^=0.217 with se=0.01. find the value of the standardized z-test statistic. round your answer to two decimal places.

The standardized z-test statistic value is -6.3

Explanation:

Data provided in the question:

For Test H₀:

p = 0.28

n = 800

= 0.217

Standard error, SE = 0.01

Now the value of the standardized z-test statistic is calculated using the formula ;

On substituting the respective values, we get

or

z = -6.3

Hence,

The standardized z-test statistic value is -6.3

answer: report them

explanation:

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