How do you find the circumference of a Cylinder with a 7 m radius?
1 answer:
The circumference of a cylinder works the same way as the circumference of a circle, as both faces of a cylinder are circles.
The circumference of a circle can be found with the formula
where r is the radius.
If you can enter the answer in terms of pi, I would suggest you do that. If not, just multiply by 3.14.
Hope this helps!
-refrac532
The circumference of a circle can be found with the formula
If you can enter the answer in terms of pi, I would suggest you do that. If not, just multiply by 3.14.
Hope this helps!
-refrac532
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Answer:
25% probability that all three residents will choose the same plumbe
Step-by-step explanation:
For each resident, there are only two possible outcomes. Either they choose the first plumbe, or they choose the second. The plumbers are chosen independent of each other. So we use the binomial probability distribution to solve this question.
Binomial probability distribution
The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.
In which is the number of different combinations of x objects from a set of n elements, given by the following formula.
And p is the probability of X happening.
Each resident randomly chooses one of the two plumbers.
This means that
Three residents:
This means that
What is the probability that all three residents will choose the same plumb
This is P(X = 0)(all choose the second pumble) or P(X = 3)(all choose the first pumble). So
25% probability that all three residents will choose the same plumbe