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MATH225 Week 7 Assignment (8 Q/A) / MATH 225N Week 7 Assignment / MATH 225 Week 7 Assignment / MATH225N Week 7 Assignment - Developing Hypothesis and understanding Possible Conclusion for Proportions: Chamberlain College of Nursing $15.49
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math225 week 7 assignment 8 qa math 225n week 7 assignment math 225 week 7 assignment math225n week 7 assignment developing hypothesis and understanding possible conclusion for proportions
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Chamberlain College Of Nursing
MATH225 / MATH225N
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, H0:p = 0.80
Ha:p ≠ 0.80
Find the test statistic for this hypothesis test for a proportion and round your answer to 2
decimal places.
Well done! You got it right.
3.32The proportion of successes is p̂ =221250=0.884.
The test statistic is calculated as follows:
z=p̂ −p0p0⋅ (1−p0)n√
z=0.884−0.800.80⋅ (1−0.80)250√
z≈3.32
Compute the value of the test statistic (z-value) for a hypothesis test for proportion
Question
A researcher is investigating a government claim that the unemployment rate is less than 5%.
To test this claim, a random sample of 1500 people is taken and its determined that 92 people
are unemployed.
The following is the setup for this hypothesis test:
{H0:p=0.05Ha:p<0.05
Find the test statistic for this hypothesis test for a proportion. Round your answer to 2 decimal
places.
Test_Statistic=2.01Great work! That's correct.
Identify the null and alternative hypotheses for an experiment with one population proportion
Question
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