# HW6 - HW6(MWF students – due W 10/31 TTh students – due...

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HW6 (MWF students – due W, 10/31, TTh students – due Th, 11/1) Name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .UMID . . . . . . . . . . . . . . . . . . . . . . . Lecture: MWF TTh GSI: Carrie Katherine Lin Lab Section # . Suppose you were told that a certain distribution was normal with mean = 5 minutes and standard deviation = 45 seconds. a. How many standard deviations is 4 minutes away from the mean? . . . . . . . . b. Using Table II (p406), what proportion of the times are greater than 4 minutes? . . . . . . . 6.55 (p397) – Also include a sketch that represents the requested probability. .___________________________. Answer = . . . . . . . . 6.58 – Similarly, include a sketch .___________________________.
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Unformatted text preview: Answer = . . . . . . . . 6.62 – Answers only: a) . . . . . . . . . . b) . . . . . . . . . . . c) . . . . . . . . . . . 6.66 – Include a sketch here, shading the areas for both requested answers .___________________________. Answers: a) . . . . . . . . . . . b) . . . . . . . . . . . . 6.68 a) . . . . . . . . . . . b) . . . . . . . . . . 6.72 a) Interval = ( . . . . . . . . . , . . . . . . . . .) b) Here, you’ll provide a probability = . . . . . . . . . . . and then use that probability to respond in the space provided. 6.76 b) . . . . . . . . . . c) . . . . . . . . . . . . 6.80 -6.84 a) . . . . . . . b) α = . . . . . . . . . β = . . . . . . . . . . c) . . . . . . . . . . . . ....
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