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dimaraw [331]
3 years ago
6

An hourglass is turned over with the top part filled with sand. After 3 minutes, there are 855 mL of sand in the top half. After

10 minutes, there are 750 mL of sand in the top half. Select the equation that represents this situation.
A y = 285x B y = −10.5x + 900

C y = 75x D y = −15x + 900

IF U GET THIS RIGHT I GIVE U BRAINLIEST
Mathematics
1 answer:
goblinko [34]3 years ago
5 0
The answer for this question is c
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gladu [14]

Answer: B

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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:

<em>90% confidence interval for the proportion of fans who bought food from the concession stand</em>

(0.5603,0.6529)

Step-by-step explanation:

<em>Step(i)</em>:-

<em>Given sample size 'n' =300</em>

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

<em>Given sample proportion </em>

<em>                        </em>p^{-}  = \frac{x}{n} = \frac{182}{300} =0.606

level of significance = 90% or 0.10

Z₀.₁₀ = 1.645

<em>90% confidence interval for the proportion is determined by</em>

(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)

<u>final answer</u>:-

<em>90% confidence interval for the proportion of fans who bought food from the concession stand</em>

(0.5603,0.6529)

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3 years ago
What is 5/47as a decimal rounded to 3 decimal places?
viva [34]

Answer:

0.106

Step-by-step explanation:

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