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2 years ago

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Suppose that 4% of a population has a virus. You test 1064 people. You wish to find the probability that 45 of the people in the

sample have the virus. Use the Poisson distribution and the formula μ=np from the Binomial distribution to approximate this probability.

1 answer:

swat322 years ago

6 0

So if you want to find the answer you would find it by doing it yourself

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An epidemiologic survey of roller-skating injuries in Metroville, a city with a population of 100,000 (during the midpoint of th

Ahat [919]

Answer: c. $\dfrac{90}{1800}\times100\%$

Step-by-step explanation:

As per given , we have

Total number of residents injured from roller-skating =1,800

Total number of deaths from roller-skating = 90

Formula for Mortality rate : $Mortaility\ rate= \dfrac{Deaths\ due \ to\ injury}{Tota\ injuries}$

Then, the proportional mortality ratio (%) due to roller-skating was

= $\dfrac{90}{1800}\times100\%$

= 5%

Hence, the correct answer is c. $\dfrac{90}{1800}\times100\%$

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3 years ago

How do I do the question

Artyom0805 [142]

Elements of N should be like {6,7}

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saw5 [17]

The answer is yes.

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2 years ago

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Tatiana [17]

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3 years ago

A plane flies at an average speed of 300 miles per hour the expreesion 300t gives the distance traveled by the plane in t hours

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