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3 years ago

15 Points all I have left please help.

Mathematics

1 answer:

timurjin [86]3 years ago

7 0

Answer:

The second water balloon is in the air longer. Balloon 1 will reach the maximum height faster because it is lower.

Step-by-step explanation:

This is because you drop the first balloon at a height of 105 ft. The second balloon is dropped at a height of 125 ft. The second balloon stays in the air longer because it was dropped at a higher elevation. Balloon 1 will reach the maximum height faster because it is lower.

If this answer is correct, please make me Brainliest!

On my graph, the black line is the equation for Balloon 1 and the red line is the equation for Balloon 2. Since the black line has a lower maximum, this means that Balloon 1 will reach its maximum first.

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JulsSmile [24]

Answer:

Then z(s) is out of the acceptance region, we reject H₀, doubts of the independent testing firm are valids

Step-by-step explanation:

We will develop a Hypothesis Test ( a 2 tail test since the independent testing firm is interested in finding out if there is an incorrect MPG rating from the manufacturer

Test Hypothesis :

Null hypothesis H₀ μ = μ₀

Alternative Hypothesis Hₐ μ ≠ μ₀

Significance Level α = 0,05 α/2 = 0,025

z(c) for α/2 from z-table z(c) = - 1, 96 and by symmetry z(c) = 1,96

Calculating z(s)

z(s) = ( μ - μ₀ ) / σ /√n

z(s) = ( 37,8 - 37,4 ) / 2,3 /√280

z(s) = 0,4 * 16,73 / 2,3

z(s) = 2,90

Comparison between z(c) and z(s)

z(s) > z(c) 2,90 > 1,96

Then z(s) is out of the acceptance region, we reject H₀, doubts of the independent testing firm are valids

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3 years ago

QUESTION -----------------------------------------------------------------------------------------------------------------------

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4 years ago

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