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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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Find the area of a circle that has a diameter of 11 inches. Approximate Π as 3.14. Round your answer to the nearest hundredth.
horsena [70]

Answer: 323.5

Step-by-step explanation: times the 3.14 and 11inches and then rounded.

6 0
3 years ago
Read 2 more answers
Find the slope given points (3,2) (4,7)
snow_lady [41]

Answer: The slope is 5.

Step-by-step explanation: Use formula: (y2-y1)/(x2-x1)

(7-2)/(4-3)

5/1 = 5

Have a nice day! :)

6 0
2 years ago
A social psychologist predicted that ratings of an individual’s social desirability would be influenced by their physical attrac
marshall27 [118]

Answer:

It is stated in the query that the more attractive the individual, the higher their rank of desirability.

Step-by-step explanation:

This means that we should conclude that the alternative explanation of "higher degree of desire contributes to higher levels of social attractiveness"

In the event of a null hypothesis, we will believe that the degree of attractiveness has no impact on the score of cultural desirability.

(1) Null hypothesis:- The level of attraction does not have an impact on the rating of social desirability.

(2) Alternate hypothesis:- The level of attraction has a positive effect on the ranking of social desirability.

(3) The error of Type I is characterized as the rejection of the true null hypothesis. Therefore, in this case, the type I mistake would be that "the level of attraction has a positive effect on the rating of social desirability while the level of attraction does not have an impact on the rating of social desirability."

(4) The error of type II is characterized as the failure to reject the false null hypothesis. Thus, in this situation, the Type II error would be that "the level of attraction has no impact on the rating of social desirability while the real level of attraction has a positive effect on the rating of social desirability."

(5) We know that the likelihood of having a Form I error is equal to the degree of significance (in percent terms). The significance level, in this case, is 0.05, so the likelihood of making a form I error is 0.05 * 100=5 percent.

Therefore, there is a 5 percent risk of making a Type I mistake.

3 0
3 years ago
What is the value of the expression 29-|7-11|
Makovka662 [10]

The value of 29 - |7 - 11| = 25

We have the following expression -

29 - |7 - 11|

We have to find its value.

<h3>Find the value of the expression -</h3><h3>X + | \piY |    where Y < 0</h3>

We have -

X + | \piY |

Since Y < 0 - therefore \piY < 0

Now -

|a| = - a   { for a < 0}

Therefore -

X -  \piY

According to the question, we have -

29 - |7 - 11|

29 - | -4 |

29 - 4

25

Hence, the value of 29 - |7 - 11| = 25

To learn more about Modulus function, visit the link below-

brainly.com/question/13103168

#SPJ2

7 0
2 years ago
Read 2 more answers
Divide 240g in the ratio 5:3:4​
Hoochie [10]

Answer:

100g : 60g : 80g

Step-by-step explanation:

5+3+4 =12 total parts

(5/12 of 240)

5/12 x 240 = 100g

3/12 x 240 = 60g

4/12 x 240 = 80g

Check:

100g + 60g + 80g = 240g

Hope this helps!

6 0
2 years ago
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