ECON106 TPS iii What forecast predicts an 80% chance of rain in the next hour. If rain follows a poisson distri- on, what 15 the chance of rain in the next HALF hour? Comment on the difference between the -probabi1ity of rain in the next half hour versus the next hour. Before doing a calculation, what do you ' expect you: answer to be: Best guess for chance of rain in next half hour: Calculation: 2 Multiple Choice: Semester Grade In a certain psychology class, the semester grade is calcidated using homework, 2 midterms, and a nal exam, all graded out of 100%. The table below describae the weighting. Be sure that you're comfortable nding that E(score)=74.75 (no need to show work here). task sea-re awn % of semester grade F 11131 65 16 40 Midterm 2 80 15 20 Midterm 1 70 12 15 HW 89 10 V 25 Which of the following options would increase the variance? Select all that. apply. lation between Final and HW ' tween Midterm 1 and Midterm 2 correlation between Midterml and Final e) a large, negative scheme where homework was reweighted to be 1 f.) an updated grading 00% of the grade