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Thepotemich [5.8K]
3 years ago
13

For an in-class demonstration, a teacher flips a fair coin 5 times, and each of the 5 times it lands on heads. A student argues

that it's more likely to land on tails on the next flip. What, if anything, is incorrect about the student's logic?
A.
The student's logic is incorrect; since a coin being flipped 5 times is 5 independent events, the probability of the next flip landing on heads is still 1/2.
B.
The student's logic is incorrect; since a coin being flipped 5 times is 5 dependent events, the probability of the next flip landing on heads is still 1/2
C.
There is nothing wrong with the student's logic; because a coin being flipped 5 times is 5 independent events, the probability the next flip will land on heads is affected by the previous outcomes.
D.
There is nothing wrong with the student's logic; because a coin being flipped 5 times is 5 dependent events, the probability the next flip will land on heads is affected by the previous outcomes.
Mathematics
1 answer:
Hoochie [10]3 years ago
3 0
A appears to be correct

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Answer:

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Step-by-step explanation:

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Solve the equation 4-2(x+7)=3(x+5) =
kumpel [21]

Hi there!


To solve this equation, I first would like to warn you about the long answer I am about to post for you. I'll be putting in very detailed steps for you, showing you how to simplify and distribute numbers, etc. :)


Let us solve your equation step-by-step.


Step 1) Simplify both sides of the equation.


To simplify this, we will...


4 + (-2) (x) + (-2) (7) = (3) (x) + (3) (5)


4 + - 2x + - 14 = 3x + 15


(-2x) + (4 + - 14) = 3x + 15


Now, we combine Like Terms...


-2x + - 10 = 3x + 15


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Fwew! That was probably going to be the longest step here!


Step 2) Subtract 3x from both sides.


- 2x - 10 - 3x = 3x + 15 - 3x


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Step 3) Add 10 to both sides.


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Step 4) Divide both sides by -5.


-5x/-5 = 25/-5


So, our final answer is x = -5.


Hope this helps!

Message me if you need anything else! I'd be happy to help! :D

8 0
3 years ago
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