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2 years ago

12

Write a four digit whole number that is divisible by 2. Use a divisibility rule and explain how you know that your number is div

isible by 2.

2 answers:

OverLord2011 [107]2 years ago

6 0

1,000 is divisible by two. i know this because if you divide it by two, you get a whole number. hope this helps?

Alex73 [517]2 years ago

3 0

2,024 is divisible by 2 because when you divide it it turns out as a whole number.

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Sergio is working on a research project involving the ages of students at Brooklyn College. After interviewing 500 students, he

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Answer:

The probability of of a randomly chosen student being exactly 21 years old.

= 1.293

Step-by-step explanation:

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

<em>Given Population size n = 500</em>

<em>Mean of the Population = 20 years and 6 months</em>

<em> = </em> $20 + \frac{6}{12} = 20 +0.5 = 20.5 years$ <em></em>

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Let x =21

$Z = \frac{x-mean}{S.D}$

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<em>The probability of a randomly chosen student being exactly 21 years old.</em>

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= 0.5 +0.793

= 1.293

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2 years ago

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