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s344n2d4d5 [400]
4 years ago
9

Jen puts $1750 in a savings account for two years that offers a 4% interest rate. what is the ending balance in her account afte

r 2 years​
Mathematics
2 answers:
garik1379 [7]4 years ago
5 0

Answer: $1890

I=PRT

I=(1750)(4%)(2)

I=(1750)(0.04)(2)

I=(70)(2)

I=140

I+P=total price

(140)+(1750)=1890

CaHeK987 [17]4 years ago
4 0

Answer:

Step-by-step explanatiion

1750 divide by 4 then divide it again by 2

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a) z =\frac{104-106}{\sqrt{\frac{8.4^2}{80} +\frac{7.6^2}{70}}}= -1.53  

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Step-by-step explanation:

Information given

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\sigma_{1}= 8.4 represent the population standard deviation for 1

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The statistic would be given by:

z =\frac{\bar X_1-\bar X_2}{\sqrt{\frac{\sigma^2_1^2}{n_1} +\frac{\sigma^2_2^2}{n_2}}}=(1)

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Replacing we got:

z =\frac{104-106}{\sqrt{\frac{8.4^2}{80} +\frac{7.6^2}{70}}}= -1.53

Part b

The p value would be given by this probability:

p_v =2*P(z

Part c

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