A manufacturer of cream filled donuts wants to make sure that it's automatic filling process is on target. Based On sample of 25 donuts the mean weight of cream filling is estimated to be 15 grams with a standard deviation of 1.5 grams. however, the quality control inspectors wish to estimate the mean wright of cream filling mor accurately so that they can be 99% confident that it is within 0.25 grams of the true mean. How many donuts should they sample?

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-12 -5(x + 4) = 3x

-12 - 5x - 20 = 3x

-12 - 20 - 5x = 3x

-32 - 5x = 3x

    + 5x   + 5x

-32 = 8x

8         8

- 4= x

step-by-step explanation:

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use distributive property on all like terms and change your signs if you have a double negative or if you have positive/negative

answer: 5

step-by-step explanation:

since, the range is the difference between the lowest and highest values of the given sample space.

and, here the sample space = { 3, 1, 0, 4, 1, 4, 2, 3, 0, 5, 0, 1, 1, 2, 0, 4, 1,4, 4 ,2 ,3 ,2 ,0 ,1 ,4 }

here, the highest value of the given sample = 5

and, the lowest value = 0

therefore, the range of the sample space = 5 - 0 = 5