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2 years ago

How many even numbers are greater than 202 and less than 405?

Mathematics

2 answers:

Aleks04 [339]2 years ago

5 0

Answer:

203 numbers are between 202 and 405

Step-by-step explanation:

405 - 202 = 203

Harlamova29_29 [7]2 years ago

4 0

It would be 404 as it say less than and 203 as it says greater then 404 - 203 which would equal 201 and then you would have to find out how many even numbers are in that 201 numbers.

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Equation::
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2 years ago

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Answer:

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Read 2 more answers

The pucks used by the National Hockey League for ice hockey must weigh between and ounces. Suppose the weights of pucks produced

Dahasolnce [82]

Answer:

$P(5.5$

And we can find this probability using the normal standard distribution or excel and we got:

$P(-2.769$

Step-by-step explanation:

For this case we assume the following complete question: "The pucks used by the National Hockey League for ice hockey must weigh between 5.5 and 6 ounces. Suppose the weights of pucks produced at a factory are normally distributed with a mean of 5.86 ounces and a standard deviation of 0.13ounces. What percentage of the pucks produced at this factory cannot be used by the National Hockey League? Round your answer to two decimal places. "

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".

Solution to the problem

Let X the random variable that represent the weights of a population, and for this case we know the distribution for X is given by:

$X \sim N(5.86,0.13)$