Testing: H0:p≥0.3 HA:p<0.3 Your sample consists of 141 subjects, with 44 successes. Calculate the test statistic, rounded to 2 decimal places z=

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.5: Interpreting Data
Problem 9E
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Testing:
H0:p≥0.3
HA:p<0.3
Your sample consists of 141 subjects, with 44 successes. Calculate the test statistic, rounded to 2 decimal places

z=

In the past, 37% of PBS (Public Broadcasting Station) subscribers have accessed PBS-kids shows. A sample of 280 PBS subscribers in Fall 2020 showed that 115 of these had accessed PBS-kids shows. You want to test the claim that more than 37% of PBS subscribers are utilizing the PBS-kids shows during the Covid-19 pandemic, which was in full swing in Fall 2020.
Check the TWO requirements that are satisfied to allow a hypothesis test on the above situation.

___The p^ distribution is normal since np≥5n and nq≥5n.

___The p^ distribution is normal since n≥30.

___The p^ distribution is normal since the x distribution is normal.

___The variable is qualitative (proportion)

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