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4 years ago

Which parent function is represented by the graph?!

Mathematics

1 answer:

timama [110]4 years ago

3 0

Answer: Option A -Absolute value parent function.

Solution:

Absolute value of a number is its distance from on the number line.The graph of absolute function is a V shaped graph.

A quadratic function graph is a U shaped graph.

A graph of linear function is a straight line.

An exponential function graph is rises on one side.

The given graph is a V shaped graph and hence represent Absolute value parent function.

Option B is the right answer.

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Answer:

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Step-by-step explanation:

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A survey of 400 non-fatal accidents revealed that 268 involved a distracted driver using some kind of electronic device. Constru

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A 95% confidence interval for the proportion of non-fatal accidents involving a distracted driver using some kind of electronic device is 62.5%<x<71.61%

The 95% confidence interval for the proportion is expressed according to the formula;

$CI=p\pm z\sqrt{\frac{p(1-p)}{n} }$

p is the proportion = 268/400 = 0.67

z is the 95% z-score = 1.96

n is the sample space = 400

Substitute the given parameters into the formula to have:

$CI=0.67\pm 1.96\sqrt{\frac{0.67(1-0.67)}{400} }\\CI=0.67\pm 1.96\sqrt{\frac{0.67(0.33)}{400} }\\CI=0.67\pm 1.96(0.0235)\\CI=0.67 \pm 0.0461\\CI=(0.67-0.0461, 0.67+0.0461)\\CI=(0.624, 0.7161)\\CI = (62.4 \%, 71.61 \%)$

Hence a 95% confidence interval for the proportion of non-fatal accidents involving a distracted driver using some kind of electronic device is 62.5%<x<71.61%

Learn more on confidence interval here: brainly.com/question/17212516

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