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nata0808 [166]
2 years ago
5

Problem Lois and Clark own a company that sells wagons. The amount they pay each of their sales employees (in dollars) is given

by the expression 1 2 h + 3 0 w 12h+30w12, h, plus, 30, w where h hh is the number of hours worked and w ww is the number of wagons sold. What is the amount paid to an employee that works 6 hours and sells 3
wagons? $ $dollar sign
Mathematics
1 answer:
Oxana [17]2 years ago
8 0
12h + 30w.....where h = hrs worked and w = wagons sold

so if an employee works 6 hrs and sells 3 wagons....then h = 6 and w = 3

12h + 30w
12(6) + 30(3) =
72 + 90 = $ 162 <==

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In a golf tournament, Sam played 4 rounds and was within 2 strokes of par for all 4 rounds of the tournament. If par is 72 on th
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Given:

|x-4(72)|=2

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We have,

|x-4(72)|=2

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8 0
2 years ago
The average annual cost of the first year of owning and caring for a large dog is $1,843 (US News and World Report, September 9,
ICE Princess25 [194]

Answer:

a. Error is 0.14

b. between 1913.68 to 1772.32

Step-by-step explanation:

Requirement a)

The margin of error is a statistic expressing the amount of random sampling error in a survey's results.

Given,

Size of the sample n = 50

We know, At 95% confidence interval,

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= 0.98/√n  

= 0.98/√50

= 0.98/7.07

= 0.13859 ~ 0.14

So the margin of error at 95% confidence level is 0.14.

Requirement b)

Given,

Standard deviation σ = 255

Population mean z = 1814

Size of the sample n = 50

We know, At 95% confidence interval,

(z-µ)/(σ/√n)  < Z_0.05

= - Z_0.05 < (z-µ)/(σ/√n) < Z_0.05

= - 1.96 * σ/√n < (z-µ)/(σ/√n)*  σ/√n  < 1.96 * σ/√n  [ in two tail Z test the value of Z_0.05 is 1.96 ]

= - 1.96 * 255/√50 < Z-µ <  1.96 * 255/√50

= -70.6828 < Z-µ < 70.6828

= 70.6828 > µ - Z > -70.6828

= 70.6828 + Z > µ > -70.6828 + Z

= 70.6828 + 1814 > µ > -70.6828 + 1814

=1913.68 > µ > 1772.32

So, the sample mean would be between 1913.68 to 1772.32.

7 0
2 years ago
a) As a student, you are able to earn extra money by assisting your neighbors with odd jobs. If you charged $10.25 an hour for y
inna [77]
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