1. Test the hypothesis in the given situation. 2. Follow the steps in hypothesis testing and draw a conclusion. 3. Write the null and alternative hypothesis in sentence form and in symbols. 4. Shade the rejection region in the normal curve. 5. Write the conclusion in statement form. A builder claims that heat pumps are installed in 70% of all homes being constructed today in the city of Masaya. Would you agree with this claim if a random survey of new homes in this city 25 out of 40 had heat pumps installed? Use 10% level of significance.

1. Test the hypothesis in the given situation. 2. Follow the steps in hypothesis testing and draw a conclusion. 3. Write the null and alternative hypothesis in sentence form and in symbols. 4. Shade the rejection region in the normal curve. 5. Write the conclusion in statement form. A builder claims that heat pumps are installed in 70% of all homes being constructed today in the city of Masaya. Would you agree with this claim if a random survey of new homes in this city 25 out of 40 had heat pumps installed? Use 10% level of significance.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 1E

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