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snow_tiger [21]
3 years ago
8

A test-validation strategy performed by demonstrating that the items, questions, or problems posed by a test are a representativ

e sample of the kinds of situations or problems that occur on the job
Business
1 answer:
wel3 years ago
3 0

Answer:

This is known as <em>Content Validity</em>

Explanation:

Pre-implementation evaluations are important across different fields because the evaluations carried out are with test parameters representing the real world.

Therefore, Content Validity is a strategy to confirm that the problem solved is a representation of a real-world problem. The problems, questions or items tested should be a sample from the entire domain.

Content validation will greatly improve the quality of deliverables provided to the entire domain.

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2 years ago
Determine the value of the investment at the end of 5 years. Write a function f that determines the value of the investment (in
Fofino [41]

Complete Question:

Suppose that $1500 is invested in an account with an APR of 3.1% compounded continuously.   Determine the value of the investment at the end of 5 years.   Write a function that determines the value of the investment in terms of the number of years , since the investment was made.    What is the annual percent change for the account?

Answer:

Function that determines the value of the investment f(t) = 1500 exp(rt)

Investment after 5 years, f(5) = $1751.49

Annual Percent change = 3.14%

Explanation:

Function that determines the value of the investment

Initial amount invested, f₀ =  $1500

f(t) = f₀ exp(rt)

f(t) = 1500 exp(rt)

r = 3.1% = 3.1/100 = 0.031

f(t) = 1500 exp(0.031t)

Value of the investment at the end of 5 years:

f(5) = 1500 exp (0.031 *5)

f(5) = $1751.49

c) Annual Percentage Change for the account

Get the increase in investment after one year

f(1) = 1500 exp(0.031)

f(1) = $1547.23

Annual Percent yield = [(New Investment - Original investment)/ Original investment] * 100%

Annual Percent yield = [(1547.23 - 1500)/1500] * 100%

Annual Percent yield = (47.23/1500) * 100

Annual Percent yield = 3.14%

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