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Delvig [45]
3 years ago
11

Listed below are the amounts of mercury (in parts per million or ppm) found in tuna sushi sampled at 7 different stores in New Y

ork City. Construct a 95% confidence interval estimate of the standard deviation of the amounts of mercury in the population (tuna sushi).

Mathematics
1 answer:
irina [24]3 years ago
4 0

Answer:

Amount of mercury in population is in between 0.2841 , 1.1531

Step-by-step explanation:

Step by step explanation is given in the attachments

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First, find 25% of 49.95. Turn 25% into a decimal by dividing by 100.

25% ⇒ 0.25

Now, multiply 0.25 by 49.95.

0.25 × 49.95 = 12.46

25% of 49.95 is 12.46, so subtract 12.46 from 49.95.

49.95 - 12.46 = 37.49

<h2>Answer:</h2>

<u>The discounted price of the jacket is </u><u>$37.49</u><u>.</u>

Now find 8% of 37.49.

8% ⇒ 0.08

Multiply 0.08 by 37.49.

0.08 × 37.49 = 2.99

<h2>Answer:</h2>

<u>The tax is </u><u>$2.99</u><u>.</u>

To find the full price, add 37.49 and 2.99 together.

37.49 + 2.99 = 40.48

<h2>Answer:</h2>

<u>The final cost is </u><u>$40.48</u><u>.</u>

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Answer:

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Step-by-step explanation:

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Now we change it back to a mixed number

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11*6 = 66 with 4 left over

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We can simplify 4/6 by dividing the top and bottom by 2

11 2/3

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