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Jobisdone [24]
3 years ago
7

If nine coins are​ flipped, what is the probability of obtaining at least one head​?

Mathematics
1 answer:
Ostrovityanka [42]3 years ago
6 0

Answer:

the chance of getting at least 1 head is 99.8%.

Step-by-step explanation:

Since the chance to head is a %.5 chance, then thats the variable. There is 9 of those , and then mulitply that then subtract from one.

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Which is an equation in point-slope form for the given point and slope?
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Solution,

Point Slope Form: y - y1 = m(x - x1)

Now you have a reference equation of what the answer should look like.

By looking at the answer choices you can eliminate A.

Tip: When you have a negative number you are going to add. For Example, if you have -8, you will input x + 8 or y + 8.

Tip 2: When you have a positive number you are going to subtract. For Example, if you have 3 you will input x - 3 or y - 3.

We can eliminate B because its not subtracting 3.

We can also eliminate C because its not adding -8.

The best answer choice is D.

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I hope you understand, so you can do this in the future on your own.

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