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topjm [15]
3 years ago
10

Pls answer this (aka Sophia lol)

Mathematics
2 answers:
s2008m [1.1K]3 years ago
7 0

Answer:

1. 44 GB

2. 12 ft

3a. 49

3b. -155

3c. 6

3d. -53

svp [43]3 years ago
3 0

Answer:

1)44 GB

2)24 FT

3)

A. 49

B. -115

C.6

D.-53

Step-by-step explanation:

For 2 she went down then up to the second floow meaning she is 12x2 ft up the ground, the basement doesnt count

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1) If the alpha level is changed from α = .05 to α = .01, what happens to boundaries for the critical region?
Alexxandr [17]

Answer:

1) a. Move farther into the tails

2) a. Decreases

Step-by-step explanation:

Hello!

1)

Let's say for example that you are making a confidence interval for the mean, using the Z-distribution:

X[bar] ± Z_{1-\alpha /2} * \frac{Sigma}{\sqrt{n} }

Leaving all other terms constant, this are the Z-values for three different confidence levels:

90% Z_{0.95}= 1.648

95% Z_{0.975}= 1.965

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Semiamplitude of the interval is

d= Z_{1-\alpha /2} * \frac{Sigma}{\sqrt{n} }

Then if you increase the confidence level, the value of Z increases and so does the semiamplitude and amplitude of the interval:

↑d= ↑Z_{1-\alpha /2} * \frac{Sigma}{\sqrt{n} }

They have a direct relationship.

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2)

The significance level of a hypothesis test is the probability of committing a Type I error.

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I hope this helps!

5 0
3 years ago
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