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choli [55]
3 years ago
12

A penny is tossed. We observe whether it lands heads up or tails up. Suppose the penny is a fair coin; that is, the probability

of heads is one-half and the probability of tails is one-half. What does this mean?A) if I flip the coin many, many times, the proportion of heads will be approximately 1/2, and this proportion will tend to
get closer and closer to 1/2 as the number of tosses increases.
B) regardless of the number of flips, half will be heads and half tails.
C) every occurrence of a head must be balanced by a tail in one of the next two or three tosses.
D) all of the above.
Mathematics
1 answer:
zavuch27 [327]3 years ago
7 0

Answer:

So we conclude that the answer is under (B).

Step-by-step explanation:

We know that the penny is a fair coin; that is, the probability of heads is one-half and the probability of tails is one-half.

So when we throw a coin we have an equal chance of getting either a head or a tail.

So we conclude that the answer is under (B).

B) regardless of the number of flips, half will be heads and half tails.

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5 rational and irrational numbers in decimal form
alexira [117]

Answer:

A rational number is a number that can be expressed as a fraction (ratio). This includes whole numbers, square roots that can be solved evenly, negatives, decimals, and repeating decimals that can be solved with a fraction.

  1. \frac{1}{2}   ↔  .5
  2. 5  ↔ 5.0
  3. \sqrt{4} ↔ 2.0
  4. -13  ↔  -13.0
  5. 0.38462... (\frac{5}{13})

An irrational number is a number that is NOT rational. It's the complete opposite!

  1. π  ↔  3.14159
  2. .13133133...
  3. \frac{\sqrt{3} }{2}   ↔  0.86603...
  4. -\sqrt{5}  ↔  -2.23607...
  5. \sqrt{5}   ↔   2.23607...

Hope this helps!!!

3 0
3 years ago
Is there a greatest positive integer? If so, what is it? If not, why not?
balu736 [363]
No, there is no 'greatest integer'. That is because positive numbers can go up tp infinite, and we do not know where numbers stop. 

However, there is a negative greatest integer because the ones that's closes to zero is -1. 
3 0
3 years ago
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John sales model boats from a booth at a local fair. He purchases each model boat from a distributor for five dollars and the lo
poizon [28]

Answer and explanation:

Profit from sale of model boats = Sales -costs(costs of goods purchases + expenses or charges by the local fair)

John's profit from the sale of model boats can be represented by the equation:

P= 50x-(5x+80)

Where P is profit from the sale of the model boats and x is number of model boats bought and sold. The 80 is constant as it is a fixed cost paid to the local fair.

For example if John buys and sells 20 model boats, he would make profit of:

Substitute x=20 in equation above

P= 50×20-(5×20+80)

P=1000-180

P=$820

It could be said that John is in a very profitable business and his profit is also dependent on volume of sales because the lower his sales the closer he gets to making a loss and not profit

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Answer:

131

Step-by-step explanation:

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Determine if the following relation is a function.
Mama L [17]
Yes it is a function
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