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Vinil7 [7]
3 years ago
7

Con has two credit cardsU and V. card U has a balance of 414.55 card V has a balance of $751.81 the minimum monthly payment on c

ard U is 2.82% of the balance and a minimum monthly payment on card V 3.09% of the total balance. how much greater is the minimum payment on card V than card U?
Mathematics
1 answer:
Stells [14]3 years ago
3 0

Answer:

$11.54

Step-by-step explanation:

The computation of the greater amount on card V than card U by considering the minimum payment is shown below:

But before that first we have to compute it separately and then take a difference to reach a solution

On Credit card U

= Balance × given percentage

= $414.55 × 2.82%

= $11.69

On Credit card V

= Balance × given percentage

= $751.81 × 3.09%

= $23.23

So, the difference in amount is

= $23.23 - $11.69

= $11.54

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3 years ago
A graduate school entrance exam has scores that are normally distributed with a mean of 560 and a standard deviation of 90. What
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26.8% of examinees will score between 600 and 700.

This question is based on z score concept.

A Z-score is a numerical measurement that describes a value's relationship to the mean of a group of values. Z-score is measured in terms of standard deviations from the mean. If a Z-score is 0, it indicates that the data point's score is identical to the mean score.

z={x-\mu  \over \sigma }

where:

μ is the mean

σ is the standard deviation of the population

Given:

μ = 560

σ = 90

For

600≤ X≤700

for x = 700

Z score =x - μ/σ

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P-value from Z-Table:

P(560<x<700) = P(x<700) - 0.5 = 0.44009

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P-value from Z-Table:

P(560<x<600) = P(x<600) - 0.5 = 0.17164

∴ P(600<x<700) = P(560<x<700) - P(560<x<600)

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Learn more about Z score here :

brainly.com/question/15016913

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1 year ago
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Source:
http://www.1728.org/radians.htm

</span>
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