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Yuki888 [10]
3 years ago
15

I am so dumb can you solve me this question PLEASE

Mathematics
1 answer:
docker41 [41]3 years ago
6 0

Answer:

I will just go down the table:

7.47 rounds to 7

8.367 rounds to 8

7.8 rounds to 8

7.352 rounds to 7

8.53 rounds to 9

7.51 rounds to 8

Step-by-step explanation:

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A study of the career paths of hotel general managers sent questionnaires to an SRS of 280 hotels belonging to major U.S. hotel
const2013 [10]

Answer and Step-by-step explanation:

we have the following data:

Point estimate = sample mean = \ bar x = 12.39

Population standard deviation = \ sigma = 3.7

Sample size = n = 177

a) the margin of error with a 90% confidence interval

α = 1 - 90%

alpha = 1 - 0.90 = 0.10

alpha / 2 = 0.05

Z \ alpha / 2 = Z0.05 = 1,645

Margin of error = E = Z \ alpha / 2 * (\ sigma / \ sqrtn)

we replace:

E = 1.645 * (3.7 / \ sqrt177)

Outcome:

E = 0.46

b) margin of error with a 99% confidence interval

α = 1-99%

alpha = 1 - 0.99 = 0.01

alpha / 2 = 0.005

Z \ alpha / 2 = Z0.005 = 2,576

Margin of error = E = Z \ alpha / 2 * (\ sigma / \ sqrtn)

we replace:

E = 2,576 * (3.7 / \ sqrt177)

Outcome:

E = 0.72

c) A larger confidence interval value will increase the margin of error.

6 0
2 years ago
Is the following statement true or false?<br> The decimal equivalent of 9/4 is a repeating decimal.
Sergio039 [100]
False, it is not a repeating decimal
9/4 = 2.25
3 0
3 years ago
What is the y intercept of 8x+4y=16
amid [387]
4 is the correct answer
8 0
3 years ago
Radical expression of 7 x 2 / 3
TiliK225 [7]
I think it going to be 21/2 or 10 1/2
5 0
2 years ago
29.24/0.153 is what?
PolarNik [594]

Answer:

191.111111111

Step-by-step explanation:

29.24 / 0.153 =191.111111111

8 0
3 years ago
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