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vesna_86 [32]
3 years ago
7

Round 2 1/2 gallons to a whole number

Mathematics
2 answers:
andreev551 [17]3 years ago
8 0
2.5 is a whole number. If not do 3
Law Incorporation [45]3 years ago
6 0
If you want 2 and one half in a whole number you will get 2.50.
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An aquarium is being filled at a rate of 2.5 inches per second. The equationLaTeX: y=2.5xy = 2.5 x is used to determine the heig
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Step-by-step explanation:

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A state end-of-grade exam in American History is a multiple-choice test that has 50 questions with 4 answer choices for each que
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Answer:

Q1) The student has a 0.01% probability of passing the test.

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Step-by-step explanation:

For each question, there are only two possible outcomes. Either he gets it correct, or he gets it wrong. So we solve this problem using the binomial probability distribution.

Binomial probability distribution

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P(X = x) = C_{n,x}.\pi^{x}.(1-\pi)^{n-x}

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Question 1.

There are 50 questions, so n = 50.

The student is going to guess each question, so he has a \pi = \frac{1}{4} = 0.25 probability of getting it right.

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So we need to find P(X \geq 25).

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This means that the student has a 0.01% probability of passing the test.

Question 2.

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She has a 99.91% probability of passing in the test.

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Answer:

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