2 years ago

Y=230 + 3x help will give brainleyest

Mathematics

2 answers:

Alja [10]2 years ago

4 0

X = -230/3 hope that helps

Fynjy0 [20]2 years ago

3 0

x = -230/3

have a good year :)

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Factorize x^2+√4x+2x+2<br><img src="https://tex.z-dn.net/?f=factorize%20%20%20%5C%3A%20%20%7Bx%7D%5E%7B2%7D%20%20%2B%20%20%5Csqr

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3 years ago

Last year, a person wrote 126 checks. Let the random variable x represent the number of checks he wrote in one day, and assume

Arisa [49]

Answer: The mean number of checks written per day $=0.3452$

Standard deviation $=0.5875$

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Then , the mean number of checks wrote by person each days id=s given by :-

$\lambda=\dfrac{126}{365}\approx0.3452$

Since , the distribution is Poisson distribution , then the variance must equal to the mean value i.e. $\sigma^2=\lambda=0.3452$

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