Solve 196x2 + 25 = 0 by using square roots.
1 answer:
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Answer:
504 miles
Step-by-step explanation:
Make a proportion
=
7/12 is 0.5833, so multiply 864 by that to find the number of miles
864(0.5833) = 504
Probability that you will get exactly 4 tails, if you flip a fair coin 7 times is:
Step-by-step explanation:
We need to find the probability that you will get exactly 4 tails, if you flip a fair coin 7 times.
This is the combination question.
The total combinations will be: 2^7=128
Now, finding number of ways we can get exactly 4 tiles:
We will use the formula:
in our given question, n= 7, k= 4
Putting values:
So, Probability that you will get exactly 4 tails, if you flip a fair coin 7 times is:
Keywords: Probability
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