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Andrews [41]
3 years ago
5

You arrive in my class 21 seconds after

Mathematics
1 answer:
Slav-nsk [51]3 years ago
7 0

Answer:

2.7 secondes a meter

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

since the random variable X= number of tomatoes that are demanded,  is normally distributed we can make the standard random variable Z such that:

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where μ= expected value of X= mean of X (since X is normally distributed)  , σ=standard deviation of X

then all tomatoes are sold if the demand surpasses 83 tomatos , therefore

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from tables of standard normal distribution →P(Z≤-1.4)=0.081 , therefore

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Step-by-step explanation:

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Step-by-step explanation:

Let's write out the properties of rational and irrational numbers.

Rational

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Irrational

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------------------------------------------------------------------------------------------------------------

Looking at the list we made, we can say that -20 is a rational number. -20 is an integer and a whole number. Therefore, it is a rational number.

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