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2 years ago

8

Students set up the experiment shown in their Biology class. After 24 hours, students noticed gas had accumulated in one of the

inverted test tubes.
They measured the amount of gas.
What would be a best explanation for the gas accumulated in one of the inverted test tubes?

1 answer:

Orlov [11]2 years ago

7 0

Answer: Light caused the eludes plants to photosynthesize, releasing O2 gas

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lbvjy [14]

Answer:

4.4 days

Step-by-step explanation:

375 x 0.14 = 52.5

300 - 52.5 = 247.5

247.5 / 55.98 = 4.42 days

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3 years ago

In a certain town in the united states, 40% of the population are democrats and 60% are republicans. The municipal government ha

mixer [17]

Answer:

(a) 0.48, (b) 0.625, (c) 0.1923

Step-by-step explanation:

First define

Probability a person is a democrat: P(D) = 0.4

Probability a person is a republican: P(R) = 0.6

Probability a person support the measure given that the person is a democrat: P(SM | D) = 0.75

Probability a person support the measure given that the person is a republican: P(SM | R) = 0.3

Now for the Theorem of total probabilities we have

(a) P(SM) = P(SM | D)P(D)+P(SM | R)P(R) = (0.75)(0.4)+(0.3)(0.6) = 0.48

and for the Bayes' Formula we have

(b) P(D | SM) = P(SM | D)P(D)/[P(SM | D)P(D)+P(SM | R)P(R)] = (0.75)(0.4)/0.48 = 0.625

Now let SMc be the complement of support the measure, i.e.,

P(SMc | D) = 0.25 : Probability a person does not support the measure given that the person is a democrat

P(SMc | R) = 0.7: Probability a person does not support the measure given that the person is a republican,

and also for the Bayes' Formula we have

(c) P(D | SMc) = P(SMc | D)P(D)/[P(SMc | D)P(D)+P(SMc | R)P(R)] = (0.25)(0.4)/[(0.25)(0.4)+(0.7)(0.6)] = 0.1/(0.52)=0.1923

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3 years ago

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Sedaia [141]

The answer for this question is 0.55%

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Hello,
Please, see the attached file.
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3 years ago

Kendall bought 4 1/5 pounds of chicken she cooked 1/3 of it how many pounds of chicken are uncooked

Andrews [41]

4 7/15 pounds of meat are uncooked I believe

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