As tabelas Distribuição Normal Padrão Acumulada e Distribuição t de Student estão no final deste caderno.Tabela I: Distribuição Normal Padrão Acumulada Fornece Φ(z) = P(-∞ < Z < z), para todo z, de 0,01 em 0,01, desde z = 0,00 até z = 3,59A distribuição de Z é Normal(0;1)z0,000,010,020,030,040,050,060,070,080,090,00,500,5040,5080,5120,5160,51990,52390,52790,53190,53590,10,53980,54380,54780,55170,55570,55960,56360,56750,57140,57530,20,57930,58320,58710,5910,59480,59870,60260,60640,61030,61410,30,61790,62170,62550,62930,63310,63680,64060,64430,64800,65170,40,65540,65910,66280,66640,6700,67360,67720,68080,68440,68790,50,69150,69500,69850,70190,70540,70880,71230,71570,71900,72240,60,72570,72910,73240,73570,73890,74220,74540,74860,75170,75490,70,75800,76110,76420,76730,77040,77340,77640,77940,78230,78520,80,78810,7910,79390,79670,79950,80230,80510,80780,81060,81330,90,81590,81860,82120,82380,82640,82890,83150,83400,83650,83891,00,84130,84380,84610,84850,85080,85310,85540,85770,85990,86211,10,86430,86650,86860,87080,87290,87490,87700,87900,88100,88301,20,88490,88690,88880,89070,89250,89440,89620,89800,89970,90151,30,90320,90490,90660,90820,90990,91150,91310,91470,91620,91771,40,91920,92070,92220,92360,92510,92650,92790,92920,93060,93191,50,93320,93450,93570,93700,93820,93940,94060,94180,94290,94411,60,94520,94630,94740,94840,94950,95050,95150,95250,95350,95451,70,95540,95640,95730,95820,95910,95990,96080,96160,96250,96331,80,96410,96490,96560,96640,96710,96780,96860,96930,96990,97061,90,97130,97190,97260,97320,97380,97440,97500,97560,97610,97672,00,97720,97780,97830,97880,97930,97980,98030,98080,98120,98172,10,98210,98260,98300,98340,98380,98420,98460,98500,98540,98572,20,98610,98640,98680,98710,98750,98780,98810,98840,98870,98902,30,98930,98960,98980,99010,99040,99060,99090,99110,99130,99162,40,99180,99200,99220,99250,99270,99290,99310,99320,99340,99362,50,99380,99400,99410,99430,99450,99460,99480,99490,99510,99522,60,99530,99550,99560,99570,99590,9960,99610,99620,99630,99642,70,99650,99660,99670,99680,99690,9970,99710,99720,99730,99742,80,99740,99750,99760,99770,99770,99780,99790,99790,99800,99812,90,99810,99820,99820,99830,99840,99840,99850,99850,99860,99863,00,99870,99870,99870,99880,99880,99890,99890,99890,99900,99903,10,99900,99910,99910,99910,99920,99920,99920,99920,99930,99933,20,99930,99930,99940,99940,99940,99940,99940,99950,99950,99953,30,99950,99950,99950,99960,99960,99960,99960,99960,99960,99973,40,99970,99970,99970,99970,99970,99970,99970,99970,99970,99983,50,99980,99980,99980,99980,99980,99980,99980,99980,99980,9998Obs.: Se z < 0, então Φ(z) = P(−∞ < Z < z) = 1 − Φ(−z).Tabela II: Distribuição t de StudentFornece o quantil tp em função do no de g.l. ν (linha) e de p = P(T≤tp) (coluna) T tem distribuição t de Student com ν g.l.ν \ p0,60,70,80,90,9750,980,990,99510,3250,7271,3763,07812,70615,89531,82163,65720,2890,6171,0611,8864,3034,8496,9659,92530,2770,5840,9781,6383,1823,4824,5415,84140,2710,5690,9411,5332,7762,9993,7474,60450,2670,5590,921,4762,5712,7573,3654,03260,2650,5530,9061,442,4472,6123,1433,70770,2630,5490,8961,4152,3652,5172,9983,49980,2620,5460,8891,3972,3062,4492,8963,35590,2610,5430,8831,3832,2622,3982,8213,25100,260,5420,8791,3722,2282,3592,7643,169110,260,540,8761,3632,2012,3282,7183,106120,2590,5390,8731,3562,1792,3032,6813,055130,2590,5380,871,352,162,2822,653,012140,2580,5370,8681,3452,1452,2642,6242,977150,2580,5360,8661,3412,1312,2492,6022,947160,2580,5350,8651,3372,122,2352,5832,921170,2570,5340,8631,3332,112,2242,5672,898180,2570,5340,8621,332,1012,2142,5522,878190,2570,5330,8611,3282,0932,2052,5392,861200,2570,5330,861,3252,0862,1972,5282,845210,2570,5320,8591,3232,082,1892,5182,831220,2560,5320,8581,3212,0742,1832,5082,819230,2560,5320,8581,3192,0692,1772,52,807240,2560,5310,8571,3182,0642,1722,4922,797250,2560,5310,8561,3162,062,1672,4852,787260,2560,5310,8561,3152,0562,1622,4792,779270,2560,5310,8551,3142,0522,1582,4732,771280,2560,530,8551,3132,0482,1542,4672,763290,2560,530,8541,3112,0452,152,4622,756300,2560,530,8541,312,0422,1472,4572,75400,2550,5290,8511,3032,0212,1232,4232,704600,2540,5270,8481,29622,0992,392,661200,2540,5260,8451,2891,982,0762,3582,617∞0,2530,5240,8421,2821,962,0542,3262,576Obs.: Para um certo ν fixado, se p < 0,50, tp = − t1-p. Suponha que a componente sistemática de um erro de medição seja uma variável aleatória X com distribuição uniforme no intervalo [–2, 4]. A média e a variância de X valem, respectivamente,

Suponha que a componente sistemática de um erro de mediçã...

Q1920437

Suponha que a componente sistemática de um erro de medição seja uma variável aleatória X com distribuição uniforme no intervalo [–2, 4].

A média e a variância de X valem, respectivamente,

1 e 12.

0 e 12.

1 e 3.

0 e 6.

0 e 3.