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Valentin
2 months ago
11

It is desired to test H0: μ = 55 against H1: μ < 55 using α = 0.10. The population in question is normally distributed with a

standard deviation of 20. A random sample of 64 will be drawn from this population. If μ is really equal to 50, what is the probability that the hypothesis test would lead the investigator to commit a Type II error?
Mathematics
1 answer:
Inessa [12.5K]2 months ago
3 0

Answer:

Step-by-step explanation: What is the value of 42% of 85?

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Two parallel lines are crossed by a transversal. Parallel lines x and y are cut by transversal w. On line x where it intersects
AnnZ [12381]

Answer:

118.2°

Step-by-step explanation:

Dos líneas paralelas x e y son cortadas por la transversal w (ver el diagrama adjunto).

Se forman 8 ángulos (denominados 1, 2, 3, 4, 5, 6, 7 y 8).

Los ángulos 1 y 6 son ángulos del mismo lado cuando dos líneas paralelas x e y son cortadas por la transversal w.

Dos ángulos del mismo lado son suplementarios (suman 180°). Esto significa

m\angle 1+m\angle 6=180^{\circ}

Dado m\angle 1=61.8^{\circ}, por lo que

m\angle 6=180^{\circ}-61.8^{\circ}=118.2^{\circ}

8 0
2 months ago
Read 2 more answers
The starting salaries of individuals with an mba degree are normally distributed with a mean of $40,000 and a standard deviation
Zina [12379]
<span>Dada una media de 40k y una desviación estándar de 5k, necesitamos calcular P(x>=30k). Entonces, P((30k-40k)/5k) = P(z<-2) = 1-0.0228 lo que resulta en un 0.9772. Esto indica que hay un 97.72% de probabilidades de que el salario inicial sea de al menos 30k.</span>
6 0
2 months ago
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