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kicyunya [14]
3 years ago
8

Riley invested $5,100 in an account paying an interest rate of 7\tfrac{3}{4}7 4 3 ​ % compounded quarterly. Ryan invested $5,100

in an account paying an interest rate of 7\tfrac{1}{4}7 4 1 ​ % compounded daily. After 7 years, how much more money would Riley have in her account than Ryan, to the nearest dollar?
Mathematics
1 answer:
erik [133]3 years ago
5 0

Answer: 257

257 in delta math

Step-by-step explanation:

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Anuta_ua [19.1K]

Answer:

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Step-by-step explanation:

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2 years ago
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The length of time a person takes to decide which shoes to purchase is normally distributed with a mean of 8.21 minutes and a st
madam [21]

Answer:

4.55% probability that a randomly selected individual will take less than 5 minutes to select a shoe purchase.

Since Z > -2 and Z < 2, this outcome is not considered unusual.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

If Z \leq 2 or Z \geq 2, the outcome X is considered to be unusual.

In this question:

\mu = 8.21, \sigma = 1.9

Find the probability that a randomly selected individual will take less than 5 minutes to select a shoe purchase.

This is the pvalue of Z when X = 5. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{5 - 8.21}{1.9}

Z = -1.69

Z = -1.69 has a pvalue of 0.0455.

4.55% probability that a randomly selected individual will take less than 5 minutes to select a shoe purchase.

Since Z > -2 and Z < 2, this outcome is not considered unusual.

8 0
3 years ago
What is the value of (-14⁰)-2<br> a -1/196<br> b 1/196<br>c 0 <br>d 1
natta225 [31]

Answer:

It is -1/196 for those who want the quick answer and not the one below me calling the person dumb which I reported BTW because it is unacceptable.

Step-by-step explanation:

I know i dont work for Brainly but i apologize for the person who was called dumb.

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frutty [35]

Answer:

x =2

2 in, 6 in, 1 in

Step-by-step explanation:

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Gia started to solve the equation 3(x − 10) − 5x = 2x − 26 below. They want to move the variables to the left side of the equati
LUCKY_DIMON [66]

Answer:

Subtract 2x from each side, Subtraction Property

Step-by-step explanation:

8 0
2 years ago
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