# Distrubucion de probabilidad.xlsx - ALUMNA ANAHI ANDREA...

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ALUMNA: ANAHI ANDREA LEMUS ROJAS MATERIA: ESTADISTICA I UNIDAD 3 DISTRIBUCIÓN DE PROBABILIDAD 3er SEMESTRE GRUPO"A" MAESTRA : M.A. MARINA CAZORLA

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12.2 a) x= 14.3 0.84 0.2995 29.95% m= 12.2 σ= 2.5 b) 0 0.2995 0.84 0.2995 29.95% C) -0.88 0.3106 31.06% x= 415 m= 400 a) σ= 10 1.5 0.4332 43.32% b) -0.5 0.1915 19.15% 0.5000 0.31 31% 0.1915 ?=(𝑋−𝑀)/? _ Z= (14.3−12.2) /2.5 Z₁= (12.2−12.2)/2.5 Z= (415−400)/ 10 Z= (395−400)/ 10 Z₂= (14.3−12.2) /2.5 Z= (10−12.2 )/2.5

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x= 75 90 m= 80 σ= 14 a) -0.35714286 0.1368 0.3979 55 70 0.71428571 0.2611 39.79% b) 0.5000 0.1368 0.6368 63.68% c) -1.78571429 0.4625 0.7236 -0.71428571 0.2611 72.36% x= 80000 65000 m= 70000 σ= 20000 a) 0.3085 30.85% b) -0.25 0.0987 0.2902 0.5 0.1915 29.02% c) 0.4013 40.13% Z₁= (75−80)/ 14 Z₂= (90−80) /14 Z₁= (55−80)/14 Z₂= (70−80) /14 Z₁= (65000−7000 0)/20000 Z₂= (80000−7000 0)/20000
x= 30000 35000 40000 m= 31280 σ= 3300 a) -0.38787879 0.148 0.5166 1.12727273 0.3686 b) 0.0041 0.41% 51.66% c) 1.12727273 0.3686 0.8645 2.64242424 0.4959 86.45% 80% 0.8000 μ= 80 σ= 14 - 0.30 0.2995 0.84 68.24 0.0300 0.1000 μ= 70000 σ= 20000 a) 0.53 0.4699 1.88 32400 b) 0.40 0.3997 1.28 44400 Z₁= (30000−312 80)/3300 Z₂= (35000−312 80)/3300 Z₁= (35000−3128 0)/3300 Z₂= (40000−3128 0)/3300 Z= (𝑋−80)/ 14 Z= (𝑋−70000 )/20000 Z= (𝑋−70000 )/20000

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0.0500 μ= 1200 σ= 225 0.45 0.4495 1.64 831 n= 40 π= 0.55 a) µ= 22 σ²= 22(1-0.55)= σ= √9.9= 3.15 9.9 b) 1.11 c) -2.06583561 nπ(1-π)= Z= (𝑋−1200)/ 225 Z= (25.5−22 )/3.15 Z= (15.5−2 2)/3.15
d) -0.95 Datos: media: varianza: Desvi. Estan. n=50 µ=n*π µ=50*.20 2.83 π=.20 µ= 10 8 x=8 µ=10 a) 10 b) -0.7067 0.258 0.758 c) 0.242 d) 0.258 ?= 2.83 ?²= n*π(1-π) ?²= 10(1-.20)= ?=√(8 ) = z= (8−10)/ 2.83 =

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Datos: media: varianza: desvi. Estan. n=100 µ=n*π 4.8539 π=.38 µ=100*.38 x=30 y 40 38 23.56 µ=38 a) -1.64948454 0.4495 0.0505 5% b) 0.41237113 0.1591 0.6591 66% c) 0.6086 ?= 4.85 ?²= n*π(1-π) ?²=38 (1-.38) ?=√(8 ) = z= (30−38) /4.85 = z= (40−38) /4.85 =
x= 20 15 m= 16.50 a) σ= 3.50 1 0.3413 34.13% b) 0.5000 0.1587 15.87% 0.3413 c) -0.4286 0.1628

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