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Mice21 [21]
3 years ago
5

A recent poll taken by the national ice cream industry shows that 32% of the population names vanilla as its favorite ice cream

flavor. A sample of 200 people shows that only 20% of those polled names vanilla as their favorite ice cream flavor.
To determine whether this sample supports the population proportion of 0.32, a simulation of 100 trials is run, each with a sample size of 50 and a point estimate of 0.20. The minimum sample proportion from the simulation is 0.16, and the maximum sample proportion from the simulation is 0.28.

What is the margin of error of the population proportion using half the range?

Mathematics
1 answer:
lina2011 [118]3 years ago
3 0

Answer:

±0.06

Step-by-step explanation:

The range is 0.28 - 0.16 = 0.12.  So half of that is 0.06.

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In the figure below, angle y and angle x form vertical angles. Angle y forms a straight line with the 60° angle and the 70° angl
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The equation that solve for x is as follows;

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<h3 /><h3>How to find an angle?</h3>

The equation that can be used to find the measure of angle x can be found as follows:

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Therefore,

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subtract 130 from both sides

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What are the factors of the equation 24x^2=9-30x?
Dennis_Churaev [7]

Answer:

3(4x - 1)(2x + 3)

Step-by-step explanation:

Rearrange the equation into standard form

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Take out 3 as a common factor

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Consider the factors of the product of the coefficient of the x² term and the constant term which sum to give the coefficient of the x term

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Use these factors to replace the x- term, that is

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7 0
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What is the surface area of this figure?
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Answer:

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Onto the rectangles, we can find their area by multiplying their length by their width. Since the width of these rectangles is the same for all three - 5 mi - we can make our lives a little easier and just "glue" the lengths together, giving us a longer rectangle with a length of 3 + 4 + 5 = 12 mi. Multiplying the two, we find the area of the rectangles to be 5 x 12 = 60 sq. mi.

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