7. It is claimed by an advertisement that 4 out of 5 kids have energy gap. To test this, a random sample of 250 children were tested if they experienced this `energy gap.' It was found out that 202 of them is experiencing it. What is the null and alternative hypothesis of the test?  a. Ho: p ≠ 0.80 versus Ha: p = 0.80  b. Ho: p > 0.80 versus Ha: p < 0.80  c. Ho: p = 0.80 versus Ha: p ≠ 0.80  d. Ho: p = 0.80 versus Ha: p < 0.80

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
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7. It is claimed by an advertisement that 4 out of 5 kids have energy gap. To test this, a random sample of 250 children were tested if they experienced this `energy gap.' It was found out that 202 of them is experiencing it. What is the null and alternative hypothesis of the test?
 a. Ho: p ≠ 0.80 versus Ha: p = 0.80
 b. Ho: p > 0.80 versus Ha: p < 0.80
 c. Ho: p = 0.80 versus Ha: p ≠ 0.80
 d. Ho: p = 0.80 versus Ha: p < 0.80

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