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Pavlova-9 [17]
2 years ago
5

The rent for a one-bedroom apartment in Southern California follows the normal distribution with a mean of $2,200 per month and

a standard deviation of $250 per month. The distribution of the monthly costs does not follow the normal distribution. In fact, it is positively skewed. What is the probability of selecting a sample of 50 one bedroom apartments and finding the mean to be at least $1,950 per month?
Business
1 answer:
andriy [413]2 years ago
5 0

Answer:

The probability is 1.

Explanation:

Despite that the he distribution is positively skewed, the distribution of sample means of one-bedroom apartments  will still be a a normal distribution based on Central Limit Theorem.

Since we have

μ = mean = 2200

SD = standard deviation  = 250

n = sample size = 50

Therefore,

Standard error = SD ÷ √n

                        = 250 ÷ √50

                        = 250 ÷ 7.07106781186548

                        = 35.3553390593274  approximately 35.36

Standardize xbar to z = (xbar - μ) ÷ (SD ÷ √n)

Therefore, we have:

P(xbar > 1,950) = P(z > (1,950 - 2200) ÷ 35.36)

                        = P(z > - 250 ÷ 35.36)                      

                        = P(z > -7.07) = 1

Therefore, the probability of selecting a sample of 50 one bedroom apartments is 1 which can be said to be certain.

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Walden Industries is considering investing in productionminusmanagement software that costs $ 630 comma 000​, has $ 60 comma 000
nadya68 [22]

Answer:

345,000

Explanation:

accounting rate of return:

\frac{net \:profit}{average \: investment}

The average investment will be the average between the ending and beginning book value of the investment:

In this case, the acquisition of the software and his salvage value at the end of the useful life.

( 630,000 + 60,000 ) / 2 = 345,000

4 0
2 years ago
The __________ method provides an alternative approach for allocating factory overhead that uses multiple factory overhead rates
Karo-lina-s [1.5K]

The plantwide allocation is a method, which involves the alternatives to the approach for the allocation of factory overheads, and also uses factory overheads based on different activities.

<h3>What is plantwide allocation?</h3>

The plantwide allocation rate is a method that uses an approach to compile all the required overhead costs of a business, and thus also involves application of one rate for one activity in an organization.

Hence, the significance of plantwide allocation is as aforementioned.

Learn more about plantwide allocation here:

brainly.com/question/15090267

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4 0
1 year ago
Type the correct answer in the box. Spell all words correctly. In which book of accounts do businesses record their daily financ
Marysya12 [62]

Answer:

Journal.

Explanation:

Businesses record their daily financial transactions in a journal, also known as the businessperson's diary.

A journal entry involves the process of keeping the records of business transactions made by an organization.

The journal entry is used by bookkeepers and accountants. Ideally, it is important that a journal has all of following informations; date, reference number, debit balance, credit balance and transaction description.

In Accounting, most businesses use a double-entry account system and as such, the total amount debited must equal the total amount credited in a journal entry.

6 0
3 years ago
To derive the demand curve we assume that A. marginal utility is constant. B. tastes are constant. C. prices are constant. D. re
Tems11 [23]

Answer:

C. prices are constant.

Explanation:

  • A demand is the scheduling the price of all the commodity as content and is derived as the price of the goods may changes in the future as general the demand curve is downward sloping and is shown by the equilibrium prices and movement along the curve takes place when the change in price causes the quantity demanded to change.
5 0
3 years ago
Your landscaping company can lease a truck for $7,800 a year (paid at year-end) for 6 years. It can instead buy the truck for $3
Alexandra [31]

Question:

Graded assignment(towards 15% Hw grade) Saved Help Save& Exit Submit Check my work Your landscaping company can lease a truck for $7,800 a year (paid at year-end) for 6 years. It can instead buy the truck for $38,000. The truck will be valueless after 6 years. The interest rate your company can earn on its funds is 7%. 10 points

What is the present value of the cost of leasing?

Answer:

Cost of lease = $37,179.01

Explanation:

Leasing is a finance arrangement where one party (the lessor) transfers the right to use an asset to another party (the leasse) in exchange for a rent.

The cost of a lease to the leasee is the present value of the future lease payment  discounted at the cost of capital.

So using the present value of annuity formula, we can work out the cost of the lease arrangement as follow:

PV =A×  (1- 1+r)^(-n)/r

PV- Present Value

r- interest rate

n- number of years

A- annual lease payment

PV -

A-7,800

r-7%

n-6

PV = 7,800× (1- (1.07)^(-6)/0.07 =  37,179.01  

Present Value = $37,179.01

Cost of lease = $37,179.01

5 0
3 years ago
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