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2 years ago

Which method for calculating credit card balances is best for consumers who make large payments? A) Average daily balance method

Mathematics

1 answer:

Margarita [4]2 years ago

7 0

Answer:

D. Adjusted balance method

Step-by-step explanation:

a.p.e.x test

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Find the variance of this probability distribution. Round to two decimal places.

attashe74 [19]

Answer:

Variance = 4.68

Step-by-step explanation:

The formula for the variance is:

$\sigma^{2} =\frac{\Sigma(X- \mu)^{2}}{N} \\or \\ \sigma^{2} =\frac{\Sigma(X)^{2}}{N} -\mu^{2} \\$

Where:

$X: Values \\\mu: Mean \\N: Number\ of\ values$

The mean can be calculated as each value multiplied by its probability

$\mu = 0*0.4 + 1*0.3 + 2*0.1+3*0.15+ 4*0.05=1.15$

$\frac{\Sigma (X)^{2}}{N} =\frac{(0^{2}+1^{2}+2^{2}+3^{2}+4^{2})}{5} =6$

Replacing the mean and the summatory of X:

$\sigma^{2} = \frac{\Sigma(X)^{2}}{N} -\mu^{2} \\= 6 - 1.15^{2}\\= 4.6775$

4 0

3 years ago

PLEASE HELP ASAP I WILL MARK BRAINLIEST!!!

Setler79 [48]

the answer on number 14. is ×=3 your welcome now please give me brainlest

3 0

2 years ago

Read 2 more answers

In the rectangular prism above, BF = 20 units, EF = 11 units, and BC = 9 units. If the rectangular prism is divided into two par

Blababa [14]

The right answer for the question that is being asked and shown above is that: "D. a rectangle with a length of 20 units and a width of 11 units." This is the statement that <span>best describes the resulting cross-section of the prism</span>

8 0

3 years ago

Idek what to do, help

stepladder [879]

Distribute the 5 to the (2+y). Parenthisis always come first. after that combine the 5y and the -y. you should end up with 2-(+4y) +2. add the -2 and +2. you should be left with 4y

8 0

2 years ago

Pls help plssss I beg plsss

Daniel [21]

Answer:

2 1/4

so last option :)

4 0

2 years ago