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zmey [24]
2 years ago
8

Find the value of |-4| - 5 · 2(-1 + 3)

Mathematics
2 answers:
klasskru [66]2 years ago
7 0
The correct answer is-16
ozzi2 years ago
6 0

Answer:

-16

Step-by-step explanation:

I had it wrong the first time, but I looked it up and yes, it is -16.

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The producer of a certain bottling equipment claims that the variance of all its filled bottles is .027 or less. A sample of 30
Darya [45]

Answer:

The p-value for the test is 0.0459.

Explanation:

The question involves a chi-squared test whose p-value is to be determined.

H₀: σ² ≤ 0.027   (null hypothesis)

H₁: σ² > 0.027    (alternative hypothesis)

Standard deviation = s = 0.2

Hence, s² = (0.2)² = 0.04

Sample size = n = 30

Degree of freedom = n - 1 = 30 - 1 = 29

Significance level = 0.05

Test statistic: X² = (n - 1)s² / σ²

                           = (30 - 1) x 0.04 / 0.027

                           = 42.9629

The p-value can now be determined using the Excel function:

CHISQ.DIST.RT(42.9629,29)  = 0.0459

Hence, the p-value for the test is 0.0459.

3 0
3 years ago
Read 2 more answers
3,984,896 rounded to the nearest hundred
ziro4ka [17]

Answer:

3,984,896 rounded to the nearest hundred is 3,984,900

4 0
3 years ago
How do I find the value of x?
nadezda [96]
S = (n-2) x 180 to find the total angles.
5-2*180
3*180
540
540-86-140-138-59=117
4 0
3 years ago
QUIZ
Mashcka [7]

Answer: Sometimes

Step-by-step explanation: Through every 2 points is a line, so it would be sometimes as a line only has a minimum of 2 points.

5 0
3 years ago
Problem 1:
wariber [46]

Answer:

x=1/6

Step-by-step explanation:

3x+4=9x+3

isolate x

1=6x

1/6=x

6 0
2 years ago
Read 2 more answers
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