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2 years ago

Combine like terms to simplify the expression

Mathematics

2 answers:

algol132 years ago

6 0

Add 3.26d & 9.75d which is 13.01d-2.65

Alex73 [517]2 years ago

4 0

3.26+9.75=13.01. This is the value of the like term. So it would be 13.01d-2.65.

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In a random sample of 300 attendees of a minor league baseball game, 182 said that they bought food from the concession stand. C

horrorfan [7]

Answer:

90% confidence interval for the proportion of fans who bought food from the concession stand

(0.5603,0.6529)

Step-by-step explanation:

Step(i):-

Given sample size 'n' =300

Given data random sample of 300 attendees of a minor league baseball game, 182 said that they bought food from the concession stand.

Given sample proportion

$p^{-} = \frac{x}{n} = \frac{182}{300} =0.606$

level of significance = 90% or 0.10

Z₀.₁₀ = 1.645

90% confidence interval for the proportion is determined by

$(p^{-} - Z_{0.10}\sqrt{\frac{p(1-p)}{n} } , p^{-} +Z_{0.10}\sqrt{\frac{p(1-p)}{n} })$

$(0.6066 - 1.645\sqrt{\frac{0.6066(1-0.6066)}{300} } ,0.6066+1.645\sqrt{\frac{0.6066(1-0.6066)}{300} })$

(0.6066 - 0.0463 ,0.6066 + 0.0463)

(0.5603,0.6529)

final answer:-

90% confidence interval for the proportion of fans who bought food from the concession stand

(0.5603,0.6529)

5 0

3 years ago

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nydimaria [60]

Answer:

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Step-by-step explanation:

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V = 1/3 pi r^2 h

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V = 1/3 pi ( 3)^2 *5

V = 15 pi m^3

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Flura [38]

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Read 2 more answers

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Tanzania [10]

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