4. Given the following information and setting the level of significance at .05 for decision making , would your decision do to reject or fail to reject the null hypothesis? Provide an explanation of your conclusions. a. The null hypothesis that there is no relationship between the type of music a person listens to and his propensity for crime (p < .05) b. The null hypothesis that there is no relationship between the amount of coffee consumption and GPA (p = .62) c. The research hypothesis that a  negative relationship exists between the number of hours worked and level of job satisfaction (p = .51)

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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.