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andrezito [222]
3 years ago
10

A race car is equipped with a computer that records the reading on its speedometer every second during a race. if you graph this

data, what will be the best choice for the dependent variable?
a. time
b. position
c. average velocity
d. instantaneous velocity
Mathematics
2 answers:
marin [14]3 years ago
6 0
I think that the instantaneous velocity would depend on the time so I think It would be D
Eva8 [605]3 years ago
3 0
D.) Dependent variable is "<span>instantaneous velocity" as it gives information of velocity at every second

Hope this helps!</span>
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Step-by-step explanation:

it means to make larger or smaller.

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Which one of the following numbers will appear farthest to the left on a number line?
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In the survey of 891 US adults who follow baseball in a recent year, 184 said that the Boston red sox would win the world series
Norma-Jean [14]

Answer:

90% confidence interval for the population proportion of US adults who follow baseball

( 0.1842 , 0.22880)

Step-by-step explanation:

<u>Explanation</u>:-

Given data the survey of 891 US adults who follow baseball in a recent year, 184 said that the Boston red sox would win the world series.

The sample proportion 'p'  = \frac{184}{891} = 0.20650

                           q = 1-p = 1- 0.20650 =0.79350

<u>Confidence intervals</u>

<u>90% confidence interval for the population proportion of US adults who follow baseball </u>

<u />(p-Z_{\alpha } \sqrt{\frac{pq}{n} } , p + Z_{\alpha } \sqrt{\frac{pq}{n} } )<u />

The tabulated value Z₀.₉₀ = 1.645

<u />(0.20650-1.645\sqrt{\frac{0.20650X0.7935}{891} } , 0.20650 + 1.645\sqrt{\frac{0.20650X0.7935}{891} } )<u />

(0.20650 - 0.02230 , 0.20650+0.02230)

( 0.1842 , 0.22880)

<u>Conclusion</u>:-

90% confidence interval for the population proportion of US adults who follow baseball

( 0.1842 , 0.22880)

<u />

3 0
3 years ago
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