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4 years ago

1. On which road would there be a larger standard deviation in speed: a backroad or an interstate? Justify your answer

Mathematics

1 answer:

White raven [17]4 years ago

7 0

Answer:

Your answers may vary slightly. 5.2 Normal Distributions: Finding Probabilities If you are given that a random variable Xhas a normal distribution, nding probabilities corresponds to nding the area between the standard normal curve and the x-axis, using the table of z-scores. The mean (expected value) and standard deviation ˙should be given

Step-by-step explanation:

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Mitch has 50 pieces of licorice. He shares them equally with his sister.

leonid [27]

50/2=L is the a expression

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4 years ago

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Estimate the answear by rounding each number to its greatest place: 199 x 91

Nataly [62]

I estimated the answer to be 18,000

Without estimation the answer would be 18,109

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4 years ago

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Is 0.45 equal to 4/10

Gnesinka [82]

No, $\frac{4}{10}$ equals to 0.4

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3 years ago

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Katrina had a bookcase that holds 200 books. She can put 20 books on each shelf. If 20% of the bookcase is empty, how many shelv

Tom [10]

Answer:

First, find 20% of the 200 books. Then, subtract that amount by the total and divide that amount by 20 to receive your answer.

Step-by-step explanation:

20 x 200

/100 = 40

Therefore, there are 40 books missing.

200-40 = 160

160/20 = 8 shelves are filled with books.

There are 10 shelves in total: 160 books are on 8 shelves and 40 books are missing for 2 shelves

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3 years ago

The relationship between the number of gallons of water in a tank and number of hours is proportional. One point on the line mod

Over [174]

Answer:

Step-by-step explanation:

I am assuming the tank starts empty. It means that in 1 hour the tank has half that water, or 3600 gallons. And the good thing of lines passing through 0.0 is that the value at 1 IS the slope we need. ie 3600.

At this point it's easy to find that if in 2 hours it filled 1/10th of the tank, in 20 hours the tank will be full.

Graph done with paint, obviously not to scale.

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3 years ago