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tatiyna
3 years ago
8

Question help a phone company would like to estimate the proportion of households that use cell phones for their phone service w

ithout a land line. a random sample of 150 households was selected and 48 relied strictly on cell phones for their service. using thisâ sample, what is the point estimate for the proportion of households without landâ lines?
Business
1 answer:
kicyunya [14]3 years ago
5 0
I would say the point estimate is 48/150=0.32 or 32% of the households surveyed did not have land lines, only cell phones. A point estimate is a discrete value used as an estimate of a population parameter. This is opposed to an interval estimate so that the value of a population parameter is an interval with a stated probability of occurring.
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What is the taxable amount of social security income reported on the tax return if a single taxpayer's income included only $9,4
maw [93]

Answer:

$0

Explanation:

If an individual's total income (including Social security benefits + all other types of income) is less than $25,000, or $32,000 for married couples, then he/she will not have to pay any taxes on their Social Security benefits. Only if total income is higher than the current thresholds, should Social Security benefits be taxed. Depending of the individual's total income, between 50-85% of Social Security benefits must be taxed at the individual's tax bracket.

6 0
3 years ago
?if a corporation issued $8,000,000 in bonds which pay 5% annual interest, what is the annual net cash cost of this borrowing if
MrRissso [65]
$8,000,000 - corporate issued
5 % -  annual interest
30 % - income tax rate
Annual net cash cost - ?

Formula and Solution - (8,000,000 x 0.05) x 0.7 = 280,000
Answer: The Annual net cash cost - $280,00
4 0
3 years ago
On July 1, 2020, Indigo Co. pays $9,400 to Sweet Insurance Co. for a 2-year insurance policy. Both companies have fiscal years e
aliya0001 [1]

Answer:

Explanation:

The journal entries are shown below:

On July 1

Prepaid insurance A/c Dr $9,400

    To Cash A/c $9,400

(Being the prepaid insurance for cash is recorded)

On December 31

Insurance expense A/c Dr $2,350

         To Prepaid insurance A/c $2,350

(Being the insurance expense is recorded)

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A company begins a review of ordering policies for its continuous review system by checking the current policies for a sample of
Maru [420]

Answer:

Explanation:

Given that:

weekly demand = 72 units

no of weeks in 1 year = 48

Then; total demand = 72 × 48 = 3456 units

No of orders = \dfrac{\text{total demand }}{EOQ}

= \dfrac{\text{3456}}{145}

∴

The periodic review (P) = \dfrac{1}{no \ of \ orders}

= \dfrac{1}{\dfrac{3456}{145}}

= \dfrac{145}{3456}

= 0.041956 year

≅ 2 weeks

Z score based on 88 percent service level = NORMSINV(0.88) = 1.18

Here;

Lead time = 3 wks

P = 2 weeks

Thus protection interval = ( 3+2) weeks

= 5 weeks

Safety stock = z-score × std dev. of demand at (P+L) days

std dev = \sqrt{5 } \times 18 = 2.236 × 18

std dev = 40.248 units

Safety stock = 1.18 × 40.248

safety stock = 47.49 units

Safety stock ≅ 48 units

Average demand during(P + L) = 5 × 72 units

= 360 units

Target inventory level = average demand + safety stock

= 360 units + 48 units

= 408 units

3 0
3 years ago
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