Mr-Hil Connect STATS 1107 -New l Stustistics, 2\"d Ed MATH eBook lelp Question 1

Question

Mr-Hil Connect STATS 1107 -New l Stustistics, 2"d Ed MATH eBook lelp Question 14 20 5 paints Maw.problemh.a.pop.up watch your chulesterul: The mean sen m chuleeterul level for U,S·zdults va, 198, 11R scandard deviation o 33 (the units are mligyam per deili. A simple randomsampla ot 105 adults is chosen. Use the TH-84 calcularor. Round the aners to four decimal place Link to Textbool lablies Part 1 out of3 hat is he prohabiliry rhat hesample meancolasterel l is grate than 205? t" prubshility that .he sample mean cholesterolk..lisrester tham 206 is About this Course Course: STAT: 1107 New Course Code CRYFT MFG3P Instructor. Pref Lcpadatu Essential Statistics Order Printed Version Navici, Monk

Explanation / Answer

(Note: The image is slightly blurred and the data is hard to read.)

= 198 = 39.3 n = 106

x' > 205

z = (x' - ) / * n

=> z > (205 - 198) / 39.3 * 106

=> z > 1.8338.

=> P(z > 1.8338) = 0.0333.

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