You were asked to conduct a mail survey with a confidence interval of 95% with an accuracy of +/-5%. Your survey will be sent to only those 18 or older who live in the neighborhoods mentioned below. Expected rate of return for the mail survey is 35%. a) How many surveys do you need to mail overall? b) If you were asked to have a proportionate stratified sample based on majority White and Hispanic neighborhoods, how many surveys do you need to mail to majority White and Majority Hispanic neighborhoods? MAJORITY POPULATION Neighborhood WHITE/ (18 YEARS+) HISPANIC Pasadena 500 W Claremont 700 Clearwater 2,000 Mountainview 800 Beachside 7,000 Hidden Valley 5,000 Springfield 3,800 H w/ w/

Q: (-14) + (–7)

A:

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A: The given equation is: y=x+4

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A: A=1213 Now determinant value is, A=13-12=1 Adjoint of matrix A is, adjA=3-2-11 Now,…

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A:

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A: Given: I=∫23x3-2xx-1dx For evaluating given integral, we substitute x-1=t…

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A:

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A: The given equation is as  (-6)-(5((-3)-6)-(-4)+9)

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A: In the diagram it is given that, the angles <G and <H are complementary. m<G = 2x + 10…

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A: Given that:36-9z

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Q: 3(c) please

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A: We have to find Laplace inverse by convolution theorem.

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A: We have find givan normal distribution...

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A: Evaluate -3d6w33=?

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A: Work done along the curve C by vector field F . Where C is given by parametric equation r(t)…

Q: 1) 6dx 3/3

A: ∫33361+x2dx=6∫33311+x2dx=6tan-1x333=6tan-13-tan-133=6tan-13-tan-113=6π3-π6=2π-π=π

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Q: –4(–6m – 7).

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A: To find the product of given irrational numbers.

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A: Given: 4:48