answer the questions

zy Section 5.1 - MAT 240: Applied St: X + X C @ https://learn.zybooks.com/zybook/MAT-240-11346-M01_Applied_Statistics_2025_C-1_(Jan_-_Mar)/chapter/5/section/1 .. . =zyBooks My library > MAT 240: Applied Statistics home > 5.1: Hypothesis testing LEzyBooks catalog ? Help/FAQ Alexis Major Feedback: PARTICIPATION ACTIVITY 5.1.7: Null and alternative hypotheses. 1) Initial data from a sample of 100 people suggests that stress increases blood pressure (a positive correlation is observed). What is the null hypothesis? O Stress does not increase blood pressure. O Stress reduces blood pressure. O Stress increases blood pressure. 2) Initial data from a sample of 100 people suggests that sunlight improves moods. A null hypothesis is: Sunlight does not improve mood. What is the alternative hypothesis? O Sunlight has no impact on mood. O Sunlight has no impact on mood is false. O Sunlight improves mood. 3) Initial data suggests mirrors at store entrances decrease shoplifting. Are the following reasonable null and alternative hypotheses? Null: A small mirror at a store entrance decreases shoplifting slightly. Alternative: A larger mirror decreases shoplifting further. O Yes O NO Feedback? DADTIMIDATION