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expeople1 [14]
3 years ago
14

Find the sum of 2m and 9m.

Mathematics
1 answer:
Dmitriy789 [7]3 years ago
8 0
The sum of 2m and 9m is 11m
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Simplify the expression: (19^1/9)^9
andrey2020 [161]
(19^1/9)^9=

19^1/9•9=

1/9•9=1

your answer would be 19 hope dis helps :)
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2 years ago
An opinion poll surveyed 900 people and reported that 36% believe a certain governor broke campaign financing laws in his electi
Anuta_ua [19.1K]

Answer:

The confidence Interval = (0.329, 0.391)

Step-by-step explanation:

Formula for the Confidence Interval for proportion =

p ± z × √p(1 - p)/n

where

p = x/n

From the question

n = 900 people

x = 36% of 900 people

= 36/100 × 900

= 324

z = z score of 95% confidence Interval

z = 1.98

p = x/n

= 324/900

= 0.36

Confidence Interval = p ± z × √p(1 - p)/n

= 0.36 ± 1.96 × √0.36 (1 - 0.36)/900

= 0.36 ± 1.96 ×√0.36 (0.64)/900

= 0.36 ± 1.96 × √0.000256

= 0.36 ± 1.96 × 0.016

= 0.36 ± 0.03136

Confidence Interval = 0.36 ± 0.03136

= 0.36 - 0.03136

= 0.32864

Approximately to 3 decimal places = 0.329

= 0.36 + 0.03136

= 0.39136

Approximately to 3 decimal places = 0.391

Therefore, the 95% confidence interval for the population proportion of people who believe the governor broke campaign financing laws = (0.329, 0.391)

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3 years ago
What is the volume of a cylinder with base radius 4 and height 7
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Answer:

351.86

Step-by-step explanation:

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Find the arc length of a semi circle of 12
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The answer would be 234

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