Mathematics: The numbers of cookies in a shipment of bags are normally distributed, with a mean of 64 and a standard deviation of 4. what percent of bags of cookies will contain between 60 and 68 cookies? a.) 50% b.) 13.5% c.) 68% d. 34%

The numbers of cookies in a shipment of bags are

Ответ:

gonzmari457

26.03.2020

Hello!!

With the mean of 64 and a standard deviation of 4, the values 60 and 68 represent a distance of 2 standard deviations from the mean.

This represents 68% of the shipment. So, the best selection appears to be C.

Good luck :)

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Ответ:

xxkeyxx51

24.08.2022

Mathematics

18 questions

Step-by-step explanation:

22 questions=55%

??? questions=45%

now what about this:

2 questions=5%

I just simplified the first equation

now 5%*???=45%

5*9=45

then we do the same thing to the other side

2*9 questions=45%

18 questions are left on the survey

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The numbers of cookies in a shipment of bags are normally distributed, with a mean of 64 and a standard deviation of 4. what percent of bags of cookies will contain between 60 and 68 cookies? a.) 50% b.) 13.5% c.) 68% d. 34%

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