3 years ago

Write a real world situation that could be modeled by the equation 650 + 10m = 60m + 400

Mathematics

1 answer:

Ostrovityanka [42]3 years ago

7 0

M could be boxes delivered by fed

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Past records indicate that the probability of online retail orders that turn out to be fraudulent is 0.08. Suppose that, on a gi

Sunny_sXe [5.5K]

Answer:

The probability that there are 2 or more fraudulent online retail orders in the sample is 0.483.

Step-by-step explanation:

We can model this with a binomial random variable, with sample size n=20 and probability of success p=0.08.

The probability of k online retail orders that turn out to be fraudulent in the sample is:

$P(x=k)=\dbinom{n}{k}p^k(1-p)^{n-k}=\dbinom{20}{k}\cdot0.08^k\cdot0.92^{20-k}$

We have to calculate the probability that 2 or more online retail orders that turn out to be fraudulent. This can be calculated as:

$P(x\geq2)=1-[P(x=0)+P(x=1)]\\\\\\P(x=0)=\dbinom{20}{0}\cdot0.08^{0}\cdot0.92^{20}=1\cdot1\cdot0.189=0.189\\\\\\P(x=1)=\dbinom{20}{1}\cdot0.08^{1}\cdot0.92^{19}=20\cdot0.08\cdot0.205=0.328\\\\\\\\P(x\geq2)=1-[0.189+0.328]\\\\P(x\geq2)=1-0.517=0.483$

The probability that there are 2 or more fraudulent online retail orders in the sample is 0.483.

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3 years ago

Cup G has a diameter of 4 in. and a height of 8 in. Find the volume of Cup G.

horsena [70]

Answer:

32pi

Radius=1/2 Diameter

radius=2

Area of circle= pi*radius^2= 4pi

4pi*8=32 pi

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3 years ago

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Find the factors for each of the following 40, 21

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21:2,1,3

40:2,4,5,8,10,20

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3 years ago

Simplify 3^2 • 3^5. (4 points) 3^7 3^10 9^7 9^10

Hatshy [7]

Answer:

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Step-by-step explanation:

Calculate

3^2+5

Solution

3^7

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ANSWER FAST!!! Which property was used to write the equation in step 2?

k0ka [10]

Answer:

ummm what step?

whats the equation?

Step-by-step explanation:

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3 years ago