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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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Sahil got 28 questions right on the math test. Angelina got 7 more wrong answers than Sahil. There where 40 questions on the tes
Svetradugi [14.3K]

Answer:

19 wrong answers.

Step-by-step explanation:

Given:

Sahil got 28 questions right.

Angelina got 7 more wrong answers than Sahil.

There where 40 questions on the test.

Question asked:

How many answers did Angelina get wrong on the math test ?

Solution:

Total questions on the test = 40

Number of right answers, Sahil got = 28

Number of wrong answers, Sahil got = 40 - 28 = 12

As Angelina got 7 more wrong answers than Sahil,

Number of wrong answers, Sahil got = 12

Then, number of wrong answers, Angelina got = 12 + 7 = 19

Therefore, 19 answers did Angelina get wrong on the math test out of 40.

7 0
3 years ago
A company produces screens of different sizes. Based on the table, could there be a relationship between the number of pixels an
alexdok [17]

Answer:

1 in. = 5184  pixels

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Please tell me the answer
Talja [164]

Answer:

a shift 5 units to the left, and then a shift 3 units up.

6 0
2 years ago
An aquarium tank holds 143 gallons of water. How much is this in liters? Use the following conversion: 1 gallon is 3.8 liters
uranmaximum [27]

Answer:

543.4 liters

Step-by-step explanation:

The conversion 1 gallon is 3.8 liters can be used as the rate.

To convert gallons into liters, multiply the numbers of gallons by the rate, 3.8.

143 gallons X 3.8 = 543.4 liters

Therefore 143 gallons is 543.4 liters.

4 0
3 years ago
24% of 75 is what number?
mariarad [96]
The answer is 18
75/x = 100%/24%
x/75 = 24/100
you’re answer is 18
6 0
2 years ago
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