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2 years ago

Find the area of this triangle.

Mathematics

1 answer:

Aloiza [94]2 years ago

3 0

Answer: 144

Step-by-step explanation: Its probally wrong

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What is the equation of a line containing the points (-3,2) and (-2,-1)

sasho [114]

-3 over 1 is the answer

7 0

2 years ago

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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.

5 0

2 years ago

. Benson had -$12 in his bank

natka813 [3]

Answer: 24

Step-by-step explanation:

you add 12 to 39 which equals 51 then you subtract 51 from 75 which equals 24

hope this helps

3 0

1 year ago

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I need help with number 3 and 5

shepuryov [24]

3 is no cuz obtuse angle is >90 degrees, all the angles together must equal 180 degrees, and if you try it, you get no. 5 is 25% of 45, which is $11.25.

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3 years ago

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How do i solve 7/11 = 18/x+1

Elanso [62]

Solve for x by cross multiplying

Exact form: x= 191/7

Decimal form :x=27.28571428

Mixed number form:x=27 2/7

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2 years ago