Stat 321 – Day 14Last TimeDay 13, Example 1: EarthquakesDensity HistogramUsing pdf’sIntegration!For TuesdayStat 321 – Day 14Continuous Random Variables (Ch. 4)Last TimeFamous discrete random variablesBinomial (table), negative binomial/geometric (by hand), hypergeometric (by hand)Poisson (table)If use computer on HW, must include outputBe able to identify which have in first bulletDay 13, Example 1: Earthquakes(a) Is Y discrete?(b) Construct histogram1 1.5 2 2.5 3 5magnitudes# of quakes?Density HistogramMagnitude above 3 not all that commonArea: 2*.04 = .08 => 8% of quakes > 3Focus on area not just heightUsing pdf’sotherwisexxxf0518185)(otherwisexexfx01)(1Integration!Calculus review: axbxxckdxkxcbac11)(cacbcxbacxeeckaxbxeckd xke For TuesdayGood idea to bring text to class for TablesTurn in HW
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