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DerKrebs [107]
3 years ago
9

Suppose that you were asked to help design a survey of adult city residents in order to estimate the proportion that would suppo

rt a sales tax increase. the plan is to use a stratified random sample, and three stratification schemes have been proposed. scheme 1: stratify adult residents into four strata based on the first letter of their last name (a-g, h-n, o-t, u-z) scheme 2: stratify adult residents into three strata: college students, nonstudents who work full time, nonstudents who do not work full time. scheme 3: stratify adult residents into five strata by randomly assigning residents into one of the five strata. which of the three stratification schemes would be best in this situation
Business
1 answer:
AleksAgata [21]3 years ago
4 0
<span> i would say this scheme would yield the most significant results:stratify adult residents into three strata: college students, nonstudents who work full time, nonstudents who do not work full time. This way the results could be related to a particular demographic group so would say something about each group rather than just a random sample. </span>
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Letter of Credit is the correct answer.

Explanation:

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In economics a computer bought by a firm for its account keeping is classified differently to a computer bought by an individual
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12

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Cost of Producing Guitars Carlota Music Company estimates that the marginal cost of manufacturing its Professional Series guitar
diamong [38]

Answer:

The total monthly cost C(x) incurred by Carlota in manufacturing x guitars/month is <u>C(x) = 0.004x^2 + 90x + 8,500</u>.

Explanation:

Given,

C '(x) = 0.008x + 90 ................................... (1)

To obtain the the total monthly cost C(x) incurred by Carlota in manufacturing x guitars/month, we obtain the integral of equation (1) as follows:

C(x)=\int\limits {C'(x)} \, dx = \int\limits {[0.008x + 90]} \, dx

C(x) = (0.008 / 2) x^2 + 90x + F

C(x) = 0.004x^2 + 90x + F .......................... (2)

Where F is the constant.

Since total cost is the addition of the total cost and total variable cost, the F in equation (2) represents the total fixed cost per month.

Since the fixed costs incurred by Carlota are $8500/month, this implies that F = 8,500.

Substituting F = 8,500 into equation (2), we have:

C(x) = 0.004x^2 + 90x + 8,500 <-------------- Total cost per month

Therefore, the total monthly cost C(x) incurred by Carlota in manufacturing x guitars/month is <u>C(x) = 0.004x^2 + 90x + 8,500</u>.

7 0
3 years ago
Goodwill adapts its store formats and merchandise plans to match the innovativeness and disposable income of shoppers in nearby
d1i1m1o1n [39]
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3 years ago
Records at Hal’s Accounting Services show the following costs for year 1. Direct materials and supplies $ 40,000 Employee costs
ruslelena [56]

Answer:

See answers below

Explanation:

a. Direct materials & supplies  $40,000 = $40,000 × 110%

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b. Total costs per unit year 2 =

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= $179.81

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3 years ago
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