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Colt1911 [192]
3 years ago
12

What is the measure of angle 2 and angle 5? I need answer in 12 hours pls:)

Mathematics
1 answer:
anygoal [31]3 years ago
7 0

Answer: angel 2 is 70

And angle 5 is 30

Step-by-step explanation:

Angle 2 is 70 because it right across from each other so they are equal

Angle 5 is 30 because everything at the end has to add to 100 so it would make it 30. (I’m not quite sure on this on but 30 is my best guest)

70+30=100

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Answer:

66.76% probability that the levee will NEVER fail in the next 20 years.

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For each year, there are only two possible outcomes. Either a levee fails during the year, or no levees fail. In each year, the probabilities of levees failing are independent from each other. So we use the binomial probability distribution to solve this problem.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

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A levee was designed to protect against floods with an annual exceedance probability of 0.02. This means that p = 0.02

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