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Murljashka [212]
2 years ago
8

¿Conozco el universo?​

Mathematics
1 answer:
podryga [215]2 years ago
8 0

Answer:

hi

Step-by-step explanation:

I don't know what you know(i'm sure you know),but I know a little bit and I love exploring the universe

and you?

Have a nice day

adiós

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Answer and Step-by-step explanation:

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3 years ago
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kozerog [31]

Answer:

a) 74.0353 < u <  74.0367

b) 74.036 < u

Step-by-step explanation:

Given:

- Sample size n = 15

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Solution:

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------> (x_bar - Z_a/2*s.d / sqrt(n)) < u <  (x_bar + Z_a/2*s.d / sqrt(n))

------> (74.036 - 2.58*0.0001 / sqrt(15)) < u <  (74.036 + 2.58*0.0001 / sqrt(15))

------>                               74.0353 < u <  74.0367

Find:

B) Calculate the 95% one-sided lower confidence interval on the true mean piston diameter.

Solution:

- For 95% lower CI, We have a = 0.05 , and Z_a = 1.645

------> (x_bar - Z_a/2*s.d / sqrt(n)) < u

------> (74.036 - 1.645*0.0001 / sqrt(15)) < u

------>                               74.036 < u

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