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bixtya [17]
3 years ago
12

In a wooded area, you randomly select 10 trees and find that 3 are tagged. You conclude that there is a 30% probability of rando

mly selecting a tagged tree.
A. Empirical
B. Theoretical
Mathematics
2 answers:
Dmitriy789 [7]3 years ago
7 0

A. It's Empirical (APEX)

Drupady [299]3 years ago
4 0
It's Empirical, I believe.
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Translate into an alegbraic expression and simplify if possible.
serg [7]

Answer:

(10-x)GB

Step-by-step explanation:

Music=10-x, simple arithmetic

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What are the two zeros in g(x)=x ​2 ​​ +3x−4
NeX [460]
X,x because we dont know its value


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f(2) is greater than g(2) and f(-2) is less than g(-2)

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How many solutions does the following equation have? 3(4x+3)=3+12x
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3(4x+3)=3+12x

12x+9=3+12x

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3 years ago
Harrison Water Sports has two retail outlets: Seattle and Portland. The Seattle store does 60 percent of the total sales in a ye
Anna11 [10]

Answer: P = 0.75

Step-by-step explanation:

Hi!

The sample space of this problems is the set of all the possible sales. It is divided in the disjoint sets:

S_s = {\text{sales made in Seattle }}\\S_p={\text {sales made in Portland}}

We have also the set of sales of boat accesories S_b, the colored one in the image.

We are given the data:

P(S_s) = 0.6\\P(S_b | S_s) = \frac{P(S_b\bigcap S_s)}{P(S_s)}=0.4\\P(S_b|S_p) =\frac{P(S_b\bigcap S_p)}{P(S_p)}=0.2

From these relations you can compute the probabilities of the intersections colored in the image:

pink\;set:\;P(S_b \bigcap S_s) =0.6*0.4=0.24\\blue\;set\;:P(S_b \bigcap S_p)=(1-0.6)*0.2 =0.08

You are asked about the conditional probability:

P(S_s|S_b) = \frac{P(S_s \bigcap S_b)}{P(S_b)}

To calculate this, you need  P(S_b) . In the image you can see that the set S_b is the union of the two disjoint pink and blue sets. Then:

P(S_b)=P((S_b \bigcap S_s)\bigcup(S_b \bigcap S_p)) = 0.24 + 0.08 = 0.32

Finally:

P(S_s|S_b) = \frac{0.24}{0.32}=0.75

4 0
3 years ago
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