2 years ago

HELPP A spinner is divided into five colored sections that are not of equal size: red, blue,

Mathematics

1 answer:

IRISSAK [1]2 years ago

7 0

19/200 I THINK! i am so sorry if i'm wrong...

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Suppose the number of a particular type of bacteria in samples of 1 milliliter (ml) of drinking water tend to be approximately n

Irina-Kira [14]

Answer: 0.0475

Step-by-step explanation:

Let x = random variable that represents the number of a particular type of bacteria in samples of 1 milliliter (ml) of drinking water, such that X is normally distributed.

Given: $\mu=85,\ \ \sigma=9$

The probability that a given 1-ml will contain more than 100 bacteria will be:

$P(X>100)=P(\dfrac{X-\mu}{\sigma}>\dfrac{100-85}{9})\\\\=P(Z>1.67)\ \ \ \ [Z=\dfrac{X-\mu}{\sigma}]\\\\=1-P(Zz)=1-P(Z$

∴The probability that a given 1-ml will contain more than 100 bacteria

0.0475.

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3 years ago

3340 divided by 8 Need the answers

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417.5

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Which equation has a maximum at y=5 for 0 is less than or equal to x which is less than or equal to 2pi

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3 years ago

What is the area of a parallelogram with a height of 6 feet and a base of 10.5 feet?

natta225 [31]

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3 years ago

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laiz [17]

Inside a triangle, all inside angles add up to 180°

So, add the two angles:

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