- 5 Problem 5 Suppose That The Length In Inches Of A Witch S Or Wizard S Wand Is A Normal Random Vari Able With Par 1 (116.79 KiB) Viewed 66 times
= 5. Problem 5. Suppose that the length, in inches, of a witch's or wizard's wand is a normal random vari- able with par
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= 5. Problem 5. Suppose that the length, in inches, of a witch's or wizard's wand is a normal random vari- able with par
= 5. Problem 5. Suppose that the length, in inches, of a witch's or wizard's wand is a normal random vari- able with parameters ui 10 and o2 = 4. (a) What percentage of wands are over 12 inches? Leave you answer in terms of Q. (b) Given that a wand is greater than 12 inches, what is the probability it is greater than or equal to 15 inches? Leave you answer in terms of Q.