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nordsb [41]
3 years ago
7

The travel agent surveyed tourists at random and constructed a 95% confidence interval for the proportion of tourists who were e

xtremely satisfied with their Jeju visit to be (0.5627, 0.8057). What is the margin of error? Give the exact answer as a decimal.
Mathematics
1 answer:
Anastaziya [24]3 years ago
6 0

Answer:

The margin of error is 0.1215

Step-by-step explanation:

A confidence interval has two bounds, a lower bound and an upper bound. The margin of error is the difference between these two bounds, divided by 2.

In this problem, we have that:

Lower bound: 0.5627

Upper bound: 0.8057

What is the margin of error?

(0.8057 - 0.5627)/2 = 0.1215

The margin of error is 0.1215

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Arada [10]

The Solution:

Given:

Center = (0,0)

Point A = (-5,2) being a point on the circle.

We are required to check if point P = (2,-5) is on the circle.

Solving the given problem graphically, we have:

From the above graph, it is clear that point P(2,-5) is a point on the circle.

8 0
1 year ago
Mary spent a total of $353.86 for a party. She spent $200.51 on food, plus an additional $30.67 for each hour of the party. How
BartSMP [9]
The party was 5 hours. 353.86-200.51=153.35 then you divide that number by 30.67 and you get 5.
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3 years ago
Choose the point-slope form of the equation of this line.​
igor_vitrenko [27]

Answer:

y= -5x +7

Step-by-step explanation:

We can see points on the graph:

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The function in general form is:

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Let's find the slope and y-intercept as per identified points on the graph:

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b= y- mx

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Based on the found values of m and b, the given line is:

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4 0
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What is the value of (14)5?
valina [46]

Answer:

70

Step-by-step explanation:

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2 years ago
A clothing store salesman had $5212 in total sales last month. He made $175 in commision. What is the commision as a percent of
Elis [28]

Divide the amount of commission made by the total sale, then multiply the decimal answer by 100 for the percent:

175 / 5212 = 0.03357


0.03357 * 100 = 3.357%


Round the answer as needed.


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