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Vlada [557]
2 years ago
5

The U.S. Food and Drug Administration (FDA) performed a study that compared the carbohydrate content (as a percentage of weight)

of several major brands of corn and potato chips. Fourteen brands of corn chips were sampled and 14 brands of potato chips were sampled. Data was collected and the following 95% confidence interval was computed for the difference in means. Intrepret the 95% confidence interval for the difference in the mean carbohydrate content between the Corn Chip and Potato Chip groups. The C.I. is: (27.292,39.836)
Mathematics
1 answer:
melamori03 [73]2 years ago
4 0

Answer:

95% confidence interval for the difference in the mean carbohydrate content between the corn chip and potato chip group is between a lower limit of 27.292 and an upper limit of 39.836.

Step-by-step explanation:

Confidence interval is given by mean +/- margin of error and is expressed by enclosing the lower and upper limits of the mean separated by a comma in parentheses.

95% confidence interval for the difference in mean carbohydrate content between the corn chip and potato chip groups is given as (27.292, 39.836). This means that the difference in mean carbohydrate content between the two chip groups is between 27.292 and 39.836.

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Answer:

The length of the arc is 4.6375 miles

Step-by-step explanation:

Firstly, find the perimeter of the circle by doing 2*pi*r, you'll get about 18.55 miles.

2*pi*r ---> 2*pi*3 ---> 6*pi ---> ≈ 18.55 miles

Next, plug in x/360, where 360 is the total arc of a circle, and x is the arc you need.

x/360 ---> 90/360 ---> = 0.25

Lastly multiply the two numbers.

18.55 * 0.25 ---> 4.6375 miles is your answer.

<em>(you may need to round your answer if needed)</em>

3 0
3 years ago
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harkovskaia [24]

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We know,

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