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Rudiy27
3 years ago
9

15 POINTS!!! ❤️❤️❤️❤️❤️❤️ Please do these 3 problems and show work! There pretty easy!

Mathematics
1 answer:
Alex17521 [72]3 years ago
6 0

Answer:

first one is                    276

Step-by-step explanation:

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Suppose you are repeating a classic study of starfish and their impact on the ecosystems of tide pools. Using historic data coll
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Answer:

The probability of the number of starfish dropping below 3 is 0.0463.

Step-by-step explanation:

Let X represent the number of starfish in the tide pool.

X follows a Poisson distribution with mean 6.4.

The formula for Poisson distribution is as follows.

P(X=x) = e^{-6.4} * [6.4^{x} / x!] when x = 0, 1, ...

P(X = x) = 0 otherwise

We need to find the probability that the number of starfish in the tide pool drops below 3.

Therefore, the required probability is:

P(X < 3) = P(X = 0) + P(X = 1) + P(X=2)

P(X < 3) = e^{-6.4} + (e^{-6.4}*6.4) + (e^{-6.4}*6.4^{2}/2)

P(X < 3) = 0.00166 + 0.01063 + 0.03403

P (X < 3) = 0.0463

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3 years ago
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ludmilkaskok [199]
It will be 42 because of the with times the 2nd highest
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At a sale this week, a desk is being sold for $561. This is 68% of the original price. What is the original price?​
elixir [45]

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825

Step-by-step explanation:

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2 years ago
What multiplies to -10000 and adds up to 0?
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3 years ago
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This diagram shows triangles ABC and PQR.
Stels [109]

Answer:

<h3>A reflection across the line x=3, a reflection across the x-axis and a dilation with a scale factor of 2, because each side is double.</h3><h3>Step-by-step explanation:</h3>

We know that the first transfomration is a rotation 90° clockwise.

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6 0
3 years ago
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