All of the following are equivalent except _____. A:5 over 4. B:1.25. C:12.5%. D:125%.

Mathematics

2 answers:

Sophie [7]3 years ago

5 0

Answer:

C:12.5%

Step-by-step explanation:

Remember taht 5 over 4 is 1.25, that is equivalent so A and B are equal, now to convert 12.5% we just need to divide that by 100, that would be .125 so that is not actually 1.25, so that is not equal, the last one is 125% divided by 100 is 1.25, so the only one that is not equal or equivalent to the others would be C:12.5%.

earnstyle [38]3 years ago

3 0

Hello, there!

5/4 = 1.25

So, we know that the answer is not A or B.

1.25 = 125%

Now, we know that the answer is not D ether.

So, the answer must be C.

I hope I helped!

Let me know if you need anything else!

~ Zoe

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Suppose that prior to conducting a coin-flipping experiment, we suspect that the coin is fair. How many times would we have to f

BabaBlast [244]

Answer:

153 times

Step-by-step explanation:

We have to flip the coin in order to obtain a 95.8% confidence interval of width of at most .14

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z at 95.8% is 1.727(using calculator)

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$n \geq \frac{0.5(1-0.5)}{(\frac{0.07}{1.727})^2}$

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So, Option B is true

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