MAT 12 le Edit View Window Hel -. (+:/ 69.6% | / 10 t atrlines which fly to Sena
ID: 3370971 • Letter: M
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MAT 12 le Edit View Window Hel -. (+:/ 69.6% | / 10 t atrlines which fly to Senall Town, USA IE 32) 32) The following table contalne data froem a study of two one Blight la selected, Bind Plon time and Upetate Atrilines) Number of fBights which were on time Namber of flights which were late Podunk Airlines Upstate Airlines A) B) 76 C) 43 D) None are cornect 33) 33) A e eding to a college survey, 22% of all tudents work full ttre Find the mean for the number of students who work full time in sanples of size 16 A)35students B) 40 shadents C) 28 ctudents D) 02 students 34) A study of the anount of tire it takes a mechanle to rebuild the transmlsslon for a 2010 34) Chevrolet Colorado shows that the mean is &.4 hours and the standard devilation lo 1.8 hours I 40 mechanlos are randomly selected, find the peobablity that thelr mean ebuald time lo less than 89 hours. A) 09756 B) 0.9509 C) 09603 D) 04276 35) Use the glven data to find the minimam sample size required to etimate the population 35) Margin of error: A) 2115 ' conf dence level: 99%5P and q unknown B) 1939 C) L116 D) 2223 36) Assume that a by potheals test of the glven claim will be conducted. Identify the type I or type ? error for the tect. A consumer advocacy group claims that the mean mleage for the Carter Motor Company's new sedan is lecs than 32 miles pee gallon. Identily the type T eroe for the 36) A) Reject the clain that the mwars le equal to 32 mles per gallon when it is achually leso thanExplanation / Answer
32)
Sample space=87
Number of flight on time and upstate airline=43
P(on time and upstate airline)=43/87
Option 'B' is correct.
33)
Mean=np=16*0.22=3.5
Option 'A' is correct.
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