2 years ago

If a customer writes 23 checks per month, which bank will charge her the least in fees?

Mathematics

1 answer:

Neko [114]2 years ago

8 0

Answer:

Bank B

Step-by-step explanation:

Bank a charges 13.25 in total each month. Bank B charged 11.50 each month. Back C charged 15.00 and bank d charged 12.30 each month! hope this helped :)

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68 is the correct answer. Thank you for your help! Love doing this!

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Answer: <u>Last option</u>

$Z_ {13} = 0.5,\ Z_ {17} = 2.5$

Step-by-step explanation:

The z-scores give us information about how many standard deviations from the mean the data are. This difference can be negative, if the data are n deviations to the left of the mean, or it can be positive if the data are n deviations to the right of the mean.

To calculate the Z scores, we calculate the difference between the value of the data and the mean and then divide this difference by the standard deviation.

$Z = \frac{x- \mu}{\sigma}$ .