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brilliants [131]
3 years ago
5

Picture attached. help plz :)

Mathematics
2 answers:
Oksana_A [137]3 years ago
6 0
The answer is B. I need points plsss
dlinn [17]3 years ago
5 0

Answer:

B

Step-by-step explanation:

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Construct the confidence interval for the population mean. c=. 95 x=6. 4 o=. 3 and n=42.
Damm [24]

The confidence interval is (63.909, 64.0907).

The confidence interval of a population mean is found using the formula:

CI = x ± z(σ/√n), where CI is the confidence interval, x is the mean, z is the z-score corresponding to the confidence level, σ is the standard deviation, and n is the population size.

In the question, we are given the confidence level, c = 95%.

Z-score corresponding to this, z = 1.96.

The mean of the population, x = 6.4.

The standard deviation of the population, σ = 0.3.

The population size, n = 42.

Thus, using the formula, the confidence interval is:

CI = 6.4 ± 1.96(0.3/√42),

or, CI = 6.4 ± 0.09073037.

Thus, the confidence interval is (64 - 0.09073037, 64 + 0.09073037), or, (63.909, 64.0907).

Learn more about the confidence interval at

brainly.com/question/17097944

#SPJ4

3 0
2 years ago
Please help me as soon as possible
Ksju [112]

Base x height x length


the first one if not the fourth



3 0
2 years ago
Read 2 more answers
21+77 using gcf and distributive property pls
defon

Step-by-step explanation:

u want to be friends ????????????

5 0
2 years ago
Read 2 more answers
What can you say about the y-help urgent!!!
weeeeeb [17]

The correct answer is ( A )

let me know if you need explanation.

3 0
3 years ago
Please explain step by step​
JulijaS [17]
1. Calculate the volume of entire cube as if it was a solid rectangle:
Length x width x height=
20x16x12 = 3,940 cubic inches

2. Calculate the volume of the "missing"
Piece and subtract:
Length x width x height=
20x8x6 = 960 cubic inches
(notice you can find the height of the missing piece by subtracting 12-6)

So your answer is 3,940-960 = 2,980 cubic inches inside the steps
6 0
3 years ago
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