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ad-work [718]
3 years ago
7

The mean income per person in the United States is $41,500, and the distribution of incomes follows a normal distribution. A ran

dom sample of 10 residents of Wilmington, Delaware, had a mean of $47,500 with a standard deviation of $10,600. At the 0.010 level of significance, is that enough evidence to conclude that residents of Wilmington, Delaware, have more income than the national average?
Business
1 answer:
rewona [7]3 years ago
4 0

Answer:

0.010 level of significance = z value of -2.33

41,500-47,500/(10,600/3.1)= -1.754

Z value is less than -2.33 which means that there is not enough evidence to conclude that residents of wilmington have more income than the national average at significance level of 0.010

Explanation:

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3 years ago
Wolery Inc. has provided the following data concerning one of the products in its standard cost system. Inputs Standard Quantity
nadezda [96]

Answer: The labor efficiency variance for the month is closest to: $2576

Explanation:

Given:

Actual output 8,800 units

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The labor efficiency variance for the month is computed as :

The labor rate variance = Actual hours×(Actual rate - Standard rate)

=1610 ×($23.30-$21.70)

=$2576

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3 years ago
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If the company were to issue an annual zero-coupon bond with a maturity of 2 years and par value of $1,000, what would be the ar
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Answer:

Note: <em>The complete question is attached as picture below</em>

1a. The one year spot rate can be calculated using the one year zero bond.

PV * (1 + S1) = FV

1 + S1 = 1000 / 900

S1 = 1.1111 - 1

S1 = 0.1111  

S1 = 11.11%

1b. PV of the 2 year bond = $950

Annual coupon = 1000 * 5% = $50

950 = 50 / (1 + S1) + (50 + 1000) / (1 + S2)^2

950 = 50 / 1.1111 + 1,050 / (1 + S2)^2

1,050/ (1 + S2)^2 = 950 - 45 = 905

(1 + S2)^2 = 1050 / 905

1 + S2 = 1.160221/2

S2 = 7.714%

1c. Price of the 2 year zero bond = 1,000 / (1 + 0.07714)^2

Price of the 2 year zero bond = 1,000 / 1.1602

Price of the 2 year zero bond = 861.9203586

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3 0
2 years ago
A small LTL shipment that originates on a truck in San Francisco and is moved from San Francisco to Las Vegas where it is unload
nikdorinn [45]

Answer:

False

Explanation:

Intermodal freight transport deals with the transportation of freight in an intermodal container or vehicle, using multiple different of transportation like ship, rail, and truck with no handling of any of the freight itself when changing

to different transport. Base on the scenario been described in the question, we can see that it false because it not does not mean the definition of intermodal freight

7 0
3 years ago
Gordin Kennel uses tenant-days as its measure of activity; an animal housed in the kennel for one day is counted as one tenant-d
gizmo_the_mogwai [7]

Answer:

1. b) $2 U

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3. a) $6920 F

4. d) $10253 F

Explanation:

1) The activity variance for administrative expenses in May would be closest to: (3000-3020)*.10 = 2 U

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8 0
3 years ago
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