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Julli [10]
2 years ago
15

Pls help

Mathematics
1 answer:
Nimfa-mama [501]2 years ago
5 0
The answer would be a reflection over the x axis then a translation down 4 units. Yes the shapes are congruent as they will lay on top of one another
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Tennis balls must have a high rebound, or bounce, that is approved by the International Tennis Federation. Rebound is measured b
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0.0 and equals to :)

Step-by-step explanation: just got it right on edg

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A ruby throated hummingbird beat its wings about 53 times each second about how many times does a ruby throated hummingbird beat
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You would cross multiply 53 times 5 and divide by 1
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To illustrate the effects of driving under the influence of alcohol, a police officer brought a DUI simulator to a local high sc
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Answer:

Check the explanation

Step-by-step explanation:

Here we have to first of all carry out dependent sample t test. consequently wore goggles first was selected at random for the reason that the reaction time in an emergency taken with goggles would be greater than the amount of reaction time in an emergency taken with not so weakened vision. So that we will get the positive differences d = impaired - normal

b)

To find 95% confidence interval first we need to find sample mean and sample sd for difference d = impaired minus normal.

We can find it using excel that is in the first attached image below,

Therefore sample mean ( \bar{X}_{d} ) = 0.98

Sample sd ( \bar{S}_{d} ) = 0.3788

To find 95% Confidence interval we can use TI-84 calculator,

Press STAT ----> Scroll to TESTS ---- > Scroll down to 8: T Interval and hit enter.

Kindly check the attached image below.

Therefore we are 95% confident that mean difference in braking time with impaired vision and normal vision is between ( 0.6888 , 1.2712)

Conclusion : As both values in the interval are greater than 0 , mean difference impaired minus normal is not equal to 0

There is significant evidence that  there is a difference in braking time with impaired vision and normal vision at 95% confidence level .

7 0
3 years ago
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