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Darya [45]
3 years ago
9

Katie and her brother are both writing a report. Katie wrote 7/8 of her report. and her brother 3/7 of his report. What is the b

est estimate of how much more Katie wrote than her brother?
Mathematics
1 answer:
Igoryamba3 years ago
7 0

Answer:

Katie has successfully completed 7/8 of her report

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slamgirl [31]

Answer:

The score is  x  =  1884

Step-by-step explanation:

From the question we are told that

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     The standard deviation is  \sigma  =  300

     

From the question we are told that the score follow a normal distribution

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The proportion of score in the top 10% is mathematically

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