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Cerrena [4.2K]
3 years ago
6

Drug sniffing dogs must be 95% accurate in their responses, since we don't want them to miss drugs and also don't want false pos

itives. a new dog is being tested and is right in 46 of 50 trials. find a 95% confidence interval for the proportion of times the dog will be correct.
Business
1 answer:
KiRa [710]3 years ago
7 0
The question: Drug sniffing dogs must be 95% accurate in their responses, since we don't want them to miss drugs and also don't want false positives. a new dog is being tested and is right in 46 of 50 trials. find a 95% confidence interval for the proportion of times the dog will be correct.

 

The answer of the following question:

The 95% confidence interval for the proportion of times the dog will be corrected is: 0.845, 0.995

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A ___________ is an organization that is owned and controlled by the people who use it—producers, consumers and workers with sim
Galina-37 [17]

Answer:

Cooperative is the right answer.

Explanation:

A cooperative is a private organization whose operations are controlled by the owners and by those who use its products. By defination Cooperative is the right answer because mutual funds are the investment in which the owner can only withdraw or deposit in it. Furthermore, partnership is a kind of business in which shareholders pool their resources and earn a share of profit from it. Coorporation is a public company and is owned by a lot of shareholders, governed by the companies act and rules and regulations.

3 0
3 years ago
Using the Goal Seek function in Microsoft Excel, prepare an Excel spreadsheet to answer the following questions: Warner Clothing
Masja [62]

Answer:

3,500 units

6,000 units

Explanation:

Given:

Sales Price = $15 per unit

Variable cost = $3 per unit

Fixed cost = $42,000 per month

A. Break even point

Break even point(in units) =  Total fixed cost / (Sales Price - Variable cost)

                             =  $42,000 / ($15 - $3)

                             = $42,000/ $12

                             = 3,500 units

B. Number of sales unit

Sales unit for desired profit = (Total fixed cost + Desired profit)/ (Sales Price - Variable cost)

                                             = ($42,000 + $30,000) / ($15 -$3)

                                             = $72,000 / $12

                                             = 6,000 units

3 0
3 years ago
EK Chemical Company sells a specialty chemical in packages marked 83 g. In reality, EK has set the process mean at 84.0 g, and t
Lemur [1.5K]

Answer:

0.7207

Explanation:

Mean  μ = 84g

SD σ = 1.85g

Upper specification limit (USL) = 88g

Lower specification limit (LSL) = 78g

Cpk = Min[USL - μ/3σ,  μ-LSL/3σ]

Cpk = Min[88 - 84/3*1.85, 84-78/3*1.85]

Cpk = Min[4/5.55, 6/5.55]

Cpk = Min[0.7207, 1.0811]

Cpk = 0.7207

So, the process capability index for the current manufacturing process is 0.7207

5 0
3 years ago
Rudd Clothiers is a small company that manufactures tall-men's suits. The company has used a standard cost accounting system. In
yawa3891 [41]

Answer: See explanation

Explanation:

1. The total, price, and quantity variances for materials will be:

Actual Production = 11250

Standard Quantity of Direct Material Required per unit = 8

Standard Quantity of Direct Material required (SQ) = 11250*l × 8 = 90000

Standard Price per Yard (SP) = 4.4

Actual Direct Material (AQ) = 90500

Actual Price per Pound (AP) = 4.15

Total Material Variance:

= (SP × SQ) - (AP × AQ)

= (4.40 × 90000) - (4.15 × 90500)

= 396000 - 375575

= 20425

Direct Material Price Variance:

= AQ × (SP - AP)

= 90500 × (4.40 - 4.15)

= 90500 × 0.25

= 22625 Favourable

Direct materials quantity variance:

= SP × (SQ - AQ)

= 4.40 × (90000 - 90500)

= 4.40 × -500

= -2200 Unfavourable

2. The total, price, and quantity variances for labor will be:

Actual Production = 11250

Standard Hours Required per unit = 1.2

Standard Hours required (SH) = 11250 × 1.20 = 13500

Standard Rate per Hour (SR) = 13.4

Actual Hours required (AH) = 14250

Actual Rate per Hour (AR) = 14.1

Total Labour Variance:

= (SR × SH) - (AR × AH)

= (13.40 × 13500) - (14.10 × 14250)

= 180900 - 200925

= -20025 Unfavourable

Dircet Labour RateVariance:

= AH × (SR - AR)

= 14250 × (13.40 - 14.10)

= 14250 × -0.7

= -9975 Unfavourable

Direct Labour efficiency variance:

= SR × (SH - AH)

= 13.40 × (13500 - 14250)

= 13.40 × -750

= -10050 Unfavourable

6 0
3 years ago
A firm hires labor, capital, and land to produce grapefruits. currently the marginal product of the last unit of labor input is
umka21 [38]

Answer:

$100

Explanation:

the marginal product per dollar spent on labor = 40 units / $20 = 2 units per dollar

the marginal product per dollar spent on capital = 60 units / $30 = 2 units per dollar

the marginal product per dollar spent on land = 2 = 200 / $X

$X = 200 / 2 = 100 ⇒ the cost per unit of land is $100

The marginal product per dollar spent on a factor of production (labor, capital or land) is MP(factor)/P(factor). It measures how many additional units of output can be obtained by spending $1 more in a factor of production.

6 0
3 years ago
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