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andreev551 [17]
3 years ago
8

In a local survey, 100 citizens indicated their opinions on a revision to a local land-use plan. Of the 62 persons giving favora

ble responses, 40 were males. Of the 38 giving unfavorable responses, 15 were males. If one citizen is randomly selected, find the probability that person has a favorable opinion or has an unfavorable opinion
Business
1 answer:
Thepotemich [5.8K]3 years ago
7 0

Answer: The probability that a randomly selected citizen has a favorable or unfavorable opinion is 1 or 100%.

In this question, we have only two answers favorable or unfavorable.

A person can't have both opinions at the same time.

So these events - favorable and unfavorable are mutually exclusive events i.e one event cannot occur when the other occurs.

Let P(F) be the probability of a person who has a favorable opinion

P(UF) be the probability of a person who has an unfavorable opinion

\boldsymbol{\mathbf{P(F) = \frac{Total people with favorable responses}{Total people in the survey}}}

\boldsymbol{\mathbf{P(F) = \frac{62}{100}}}

\boldsymbol{\mathbf{P(UF) = \frac{No. of people with unfavorable opinion}{Total number of people in the survey}}}

\boldsymbol{\mathbf{P(UF) = \frac{38}{100}}}

Now, the probability of either one of two mutually exclusive events occurring is:

\boldsymbol{\mathbf{P(F or UF) = P(F) + P(UF)}}

\boldsymbol{\mathbf{P(F or UF) = \frac{62}{100} + \frac{38}{100} = \frac{100}{100}=1}}


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Galvin has deposited $879 in a savings account that earns interest at a rate of 1.8% compounded quarterly.what will the account
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$1,130.28

Formula is A = P (1 + [r/n])^(nt)

A= 879 (1+ [.018/4])^(4*14)

A= 879 (1.0045)^56

A= $1,130.28

A = future total amount

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4. Sectoral shifts, frictional unemployment, and job searches Suppose the world price of cotton falls substantially. The demand
antoniya [11.8K]

Answer:

The temporary unemployment resulting from such sectoral shifts in the economy is best described as frictional unemployment.

This is because it is temporary and people in the affected sector could opt for jobs in other performing sectors of the economy.

Explanation:

Suppose the world price of cotton falls substantially, the following scenario will ensue.

The demand for labor among cotton-producing firms in Texas will reduce .

The demand for labor among textile-producing firms in South Carolina, for which cotton is an input, will also decline .

The temporary unemployment resulting from such sectoral shifts in the economy is best described as frictional unemployment.

Frictional unemployment is seasonal employment that could occur when there is no demand or work period is completed unlike structural unemployment that can last for long.

It is a temporary unemployment situation because workers in the cotton industry could opt for jobs in other performing sectors of the economy.

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The holding period return​ (HPR) of​ one's portfolio should be compared to investment goals
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Answer:

The orrect option is A "I and III only"

Explanation:

<u>Statement (I)</u> is true as a result of to work out the speed of come is commensurate with the risks concerned as it doesn’t create any intellect to stay the Funds in portfolio.

<u>Statement (III) </u>is true as a result of it is sensible to isolate funds they need undesirable returns or an excessive amount of association with alternative investments

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m_a_m_a [10]

Answer:

B. In JIT​ purchasing, raw materials​ (or goods) are purchased so that products are delivered just as needed for production or sales.

Explanation:

JIT stands for Just in time management.  It is an inventory management approach that advocates for the purchase of materials just when they are needed for production. In JIT, there is no storing of materials for use for future production. The purchase of materials is aligned with the production process.

The success of JIT is dependent on management ability to forecast sales volumes accurately.  Management must work with reliable suppliers to ensure that materials are available when required. JIT lower's the cost of inventory management by eliminating the need to store huge quantities of materials. It reduces wastage by doing away with losses that arise due to the storage of bulk materials.

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