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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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A guy pays 29.50 dollars to buy a gaming mouse, the convenience tax is $8. What is the change in percent after the tax of $8
Firdavs [7]

You would multiply 29.50 x 0.07 which would give you 2.065. The tax amount would be $2.07. The total after tax would be $31.57

7 0
3 years ago
What is 2 2/3 x 3 1/3 x 2 1/3
madreJ [45]

Answer:

  20 20/27

Step-by-step explanation:

  (2 2/3)(3 1/3)(2 1/3) = (8/3)(10/3)(7/3) = 560/27 = 20 20/27

_____

<em>Additional comment</em>

The first two numbers can be written as a difference and a sum:

  = (3 -1/3)(3 +1/3)(2 1/3)

  = (3·3 -1/3·3 +3·1/3 -1/3·1/3)(2 1/3)

  = (9 -1/9)(2 +1/3) = 9·2 +9·1/3 -1/9·2 -1/9·1/3 = 18 +3 -6/27 -1/27

  = 20 20/27

7 0
2 years ago
What is the solution set for - 4x + 10 = 5(x + 11)? HELPPPPPPP​
Scorpion4ik [409]

Answer:

-5

Step-by-step explanation:

-4x +10 =5(x +11)

-4x +10 =5x +55

-4x - 5x =55 - 10

-9x =45

x=-45 :9

x=-5

7 0
3 years ago
How many times larger is the 5 in 528, 394 as in 352, 107?
seraphim [82]

Answer: B 10 Times large

Step-by-step explanation:The first 5 is 500,000 And the second 5 is 50,000

500,000÷ 50,000= 10

7 0
2 years ago
10. Does the function represent a linear or nonlinear function?<br> For 10 or 11
solniwko [45]
I believe their both linear because their in the correct form
4 0
2 years ago
Read 2 more answers
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