2 years ago

Select the correct answer.

Mathematics

1 answer:

Sonbull [250]2 years ago

4 0

Answer:

The graph is stretched vertically and shifted to the left 1 unit.

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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.

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3 years ago

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Eight avocados cost $4. How much do 9 avocados cost?<br><br> i am dumb

blagie [28]

I believe the answer is 4.50

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3 years ago

- Olivia skates twice as far as Stephanie. This sum of their distances is 96 miles per month. How many

kotegsom [21]

Answer:

B.64 miles

Step-by-step explanation:

Let Oliver's be x

Let Stephanie's be y

$x = 2y - - - (a) \\ x + y = 96 - - - (b)$

substitute for x in (b):

$2y + y = 96 \\ 3y = 96 \\ y = 32$

find x in (a):

$x = (2 \times 32) \\ x = 64$

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Find the mode of the set of data. 6, 6, 6, 8, 10, 10, *

Ira Lisetskai [31]

Answer:

Step-by-step explanation:

The mode is the number that appears most in the data set.

So your answer would be 6 because it appears 3 times.

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11/28+4/7 = simplest form

MatroZZZ [7]

The answer to this question is 27/28

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2 years ago