A random sample of 490 observations produced a sample proportion equal to 0.38. Find the critical and observed values of z for the following test of hypotheses using a = 0.1. Ho: P = 0.30 versus H₁: p = 0.30. Round your answers to two decimal places. Zcritical left i = Zcritical right= i Zobserved= i

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A random sample of 490 observations produced a sample proportion equal to 0.38. Find the critical and
observed values of z for the following test of hypotheses using a = 0.1.
Ho: p = 0.30 versus H₁: p = 0.30.
Round your answers to two decimal places.
Zcritical left =
Zcritical right
Zobserved
Transcribed Image Text:A random sample of 490 observations produced a sample proportion equal to 0.38. Find the critical and observed values of z for the following test of hypotheses using a = 0.1. Ho: p = 0.30 versus H₁: p = 0.30. Round your answers to two decimal places. Zcritical left = Zcritical right Zobserved
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