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Ksju [112]
3 years ago
5

How many times would you expect to land on heads if you flipped a standard coin 250 times?

Mathematics
1 answer:
Basile [38]3 years ago
4 0

Answer:

125

Step-by-step explanation:

250/2=125 this is how many time you would expect to get heads

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The sum of two numbers is -26. One number is 148 less than the other. Find the numbers
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Answer:

61 and -87

Step-by-step explanation:

If the numbers are x and x - 148, we can write the following equation:

x + x - 148 = -26

2x - 148 = -26

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x = 61 so x - 148 = 61 - 148 = -87

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3 years ago
What is 27/125 in exponential form?
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Answer:

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Step-by-step explanation:

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If the null hypothesis is true in a chi-square test, discrepancies between observed and expected frequencies will tend to be small enough to qualify as a common outcome.

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In the question however, since the null is true, the discrepancies we will be expecting will thus be small and common.

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