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yKpoI14uk [10]
3 years ago
6

Draw a model to represent the ratio 1 to 3.Describe how to use the model to find an equivalent ratio.

Mathematics
2 answers:
masya89 [10]3 years ago
5 0
Ratios are basically a number v a number. Like if your in a group of 30 people and 10 of them are boys, your ratio of girls to boys would be 20:10. That's like really really basic ratio and idk how advanced in rations you are but yeah.
gulaghasi [49]3 years ago
3 0

Answer:

Suppose you are in a cinema and there are 12 men and 36 women, then the ratio men to women is 12:36, dividing each term by 12 we get 1:3, which is an equivalent ratio. Other way to get an equivalent ratio is multiplying each term by some constant, for example if we multiply each term in the ratio 1:3 by 4 we get the equivalent ratio: 4:12.

Ratios are used to show the relative sizes of two values, in the example, the relative amount of men and women in some place.

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Answer:

64.65% probability of at least one injury commuting to work in the next 20 years

Step-by-step explanation:

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

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e = 2.71828 is the Euler number

\mu is the mean in the given interval.

Each day:

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So

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Either he suffers no injuries, or he suffer at least one injury. The sum of the probabilities of these events is decimal 1. So

P(X = 0) + P(X \geq 1) = 1

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