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=700, and p^=0.238 with SE=0.02. Find the value of the standardized z-test statistic. Round your answer to two decimal places. z=

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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Chapter 5, Section 1, Exercise 008

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=700, and p^=0.238 with SE=0.02.

Find the value of the standardized z-test statistic.

Round your answer to two decimal places.

z= 

 

 

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