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Mamont248 [21]
3 years ago
13

Need help plssssss fast hurry plsss

Mathematics
2 answers:
Lilit [14]3 years ago
8 0

Answer: 150ft^2

Step-by-step explanation:

length: 7\frac{1}{2}in Convert to an improper fraction. \frac{7*2+1}{2}=\frac{15}{2}

width: 5 in

Formula: A=w*l

A=(5in)(\frac{15}{2}in)\\A=\frac{75}{2}in^2

Convert to ft. I assume your conversion factor is \frac{1}{2}in. : 1ft. However, the unit we need is squared. Square both sides.

(\frac{1}{2}in.)^2 : (1ft)^2

\frac{1}{4}in^2 : 1ft^2

Convert.

\frac{75}{2}in^2(\frac{1ft^2}{\frac{1}{4}in^2 } )=

Invert the fraction in the denominator and multiply it by the numerator.

\frac{75}{2}in^2*1ft^2*4in^-^2=75*2ft^2=150ft^2

Bond [772]3 years ago
5 0

Answer:

50 ft2

Step-by-step explanation:

im not sure if this is right but this is what i got when i worked it out

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Use the fact that the variance of a Poisson distribution is σ2=μ. The mean number of bankruptcies filed per hour by businesses i
lianna [129]

Answer:

Variance = 5

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0.2650257

Step-by-step explanation:

For a Poisson distribution is σ² = μ.

Given that:

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For a Poisson distribution :

P(x = x) = (μ^x * e^-μ) / x!

The Variance and standard deviation :

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B.) Find the probability that at most three businesses will file bankruptcy in any given hour.

P( x ≤ 3) = P(0) + P(1) + P(2) + P(3)

P(x = 0) = (5^0 * e^-5) / 0! = 0.0067379

P(x = 1) = (5^1 * e^-5) / 1! = 0.0336897

P(x = 2) = (5^2 * e^-5) / 2! = 0.0842243

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= 0.2650257

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The graphs are illustrations of biased and unbiased distributions.

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<h3>How to determine which of the graph is biased</h3>

From the graph, we have the following highlight

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The above means that:

Graph R is biased, and graph W is unbiased

Read more about biased distributions at:

brainly.com/question/26415101

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