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Ivahew [28]
3 years ago
7

How much time is it from 3:45pm to 5:15pm

Mathematics
2 answers:
Gre4nikov [31]3 years ago
7 0
1 hour and 30 minutes
Leokris [45]3 years ago
4 0
1 hour and 30 minutes because when you subtract those you will get that answer
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2.- Supóngase que los diámetros de los tornillos fabricados por una compañía están distribuidos normalmente con una media de 0.2
Sergio [31]

Answer:

7.30167%

Step-by-step explanation:

Usando la fórmula de puntuación z

z = (x-μ) / σ, donde x es la puntuación bruta, μ es la media de la población y σ es la desviación estándar de la población

Para x <0.20 pulgadas

z = 0.20 - 0.25 / 0.02

z = -2.5

Valor de probabilidad de Z-Table:

P (x <0.20) = 0.0062097

Para x> 0.28 pulgadas

z = 0.28 - 0.20 / 0.02

z = 1.5

Valor de probabilidad de Z-Table:

P (x <0.28) = 0.93319

P (x> 0.28) = 1 - P (x <0.28) = 0.066807

La probabilidad de que se produzcan tornillos defectuosos cuando el tornillo se considera defectuoso si su diámetro es inferior a 0.20 pulgadas o superior a 0.28 pulgadas es

P (x <0.20) + P (x> 0.28)

= 0.0062097 + 0.066807

= 0.0730167

Conversión a porcentaje

= 0.0730167 × 100

= 7.30167%

El porcentaje de tornillos defectuosos producidos es

7.30167%

3 0
2 years ago
What's greater then 3/8 or 2/4
iVinArrow [24]
Convert 2/4 to 4/8 and then look at the numerators. since 4 is greater than 3, 2/4 is greater than 3/8
7 0
3 years ago
Read 2 more answers
Mary made 1/5 of a batch of cookies in 1/10th of an hour, how many batches of cookies can she make in one hour? This is unit rat
barxatty [35]

Answer:

1/5 ÷ 1/10 = 10/5

Step-by-step explanation:

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3 years ago
BIG COW LITTLE COW FAT COW ADORABLE COW
alexandr1967 [171]
Ahh that’s very very very very swag
4 0
2 years ago
Read 2 more answers
16 is 20% of what number?
ehidna [41]

Answer:

80

Step-by-step explanation:

80 * 20% = 16

then 16 is 20% of 80

4 0
3 years ago
Read 2 more answers
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