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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Answer: $42.60
Step-by-step explanation:The 20% of $35.50 is $7.10. Then, you add $7.10 to $35.50, that will be $42.60.
Answer: the others are 5cm and 8cm
Step-by-step explanation:
this is because a rhombus is the same as a rectangle or square and they have equal two sides