Question

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women on beac× , Google Docs ×,CscoesOnTheACTTX How to Use the ZTabX1+ , http://webw orkuoregonedu/webwork2/Math243Winter O 90% **. * asearch arted。Amazoncom-Online *Priceline oom Piceline.com Product Support Dell Θ Produa Support Del *Suggested Snes。WebSice Galery Suggested Sites Web Slice Galler 87.8 87.8 At least one of the answers above is NOT cormect (1 point) Scores on the ACT tests for the 2007 high school graduating class had mean 21.2 and standard deviation 5.0. In all 1,300,590 students in this cdlass took the test. Of these, 149,164 had soores higher than 27 and another 50.310 had scores exacitly 27 The genuine Nomal N(21 2.5 0) dstribution inciludes all values, but ACT scores ane always whole numbers Because of this the dishibution of ACT cores is only approximalely normal. To ustrale this fact, find la) the percent of 2007 ACT scores greater than 27 b) the percent of 200T ACT soores greater than or equal to 27 the area exactly over 27 is ) lc) the percent of observations from the N(21.2,5.0) distrbuson that ane greater han 27 (The percent greater than or eqa to 27 isthesame, because a) 11.46 b) 15.33 c) 87.8 Note: You can eam partal credt on this problem You have un ype here to 5 6 8

Answer 1