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Mrac [35]
2 years ago
11

Stel and Atana are deciding where to go next on Edena. Stel has made a map of the planet in which the planet's surface is divide

d into 56 equally sized squares. Each square is classified in one of four terrain types (plains, desert, seaside, forest) and one of three categories for its temperature (hot, temperate, cold). Atana decides to choose their destination randomly. Stel tells Atana there are 21 plains locations, 4 desert locations, 10 hot locations and 6 that are both plains and cold. Assume temperature and terrain are independent. Round all answers to three decimal places. Don't forget to calculate exact intermediate results, if any, before rounding the answer.
a. Can Atana calculate the probability of landing anywhere but a plains location?
b. Can Atana calculate the probability of landing in a location that is both desert and plains?
c. Can Atana calculate the probability of landing in a seaside or a hot location?
d. Can Atana calculate the probability of landing in a cold location?
f. Can Atana calculate the probability of landing in a temperate or seaside or forest location?
Mathematics
1 answer:
Elenna [48]2 years ago
7 0

Answer:

A. 0.625

B. 0

C. No

D. No

E. No

Step-by-step explanation:

We have these locations with the total of 56 as given in the question

A. Probability of landing anywhere but plain:

= 1 - probability of plain

= 1- 21/56

= 1 - 0.375

= 0.625

B. Probability of landing in a location which both a desert and a plain is the probability of a hit temperature and plain terrain. These two are independent of each other = 0

C. He cannot calculate probability of landing here because this information is not available

D. He cannot also, no information

E. Same thing here. No information

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Answer: division property of equality

Step-by-step explanation:

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defon
Part A

The equation is b = 36*a or simply b = 36a

We take the size of the farm 'a' and multiply it by 36 to get the number of bushels of corn 'b'.

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

Part B

The 36 means there are 36 times more bushels of corn compared to the size of the farm in acres

For example, if the size is 2 acres then 
b = 36*a
b = 36*2
b = 72
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-----------------------------------

Part C

Along the first row you should have: 25 and 30 in the missing blanks (over 900 and 1080 respectively)

You find this by dividing the value of b over 36
eg: b/36 = 900/36 = 25

-------

Then along the bottom row you should have the following for the blanks: 0, 360, 1800

These values are found by multiplying the 'a' value by 36
eg: if a = 10 then b = 36*a = 36*10 = 360

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

Part D

Plot any two points you want from the table back in part C
So plot say (0,0) and (10,360). Then draw a straight line through those two points.

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

Part E

The point (30,1080) means a = 30 and b = 1080
So if the farm is 30 acres, then it can produce 1080 bushels of corn

Notice how
b = 36*a
b = 36*30 <<-- replace 'a' with 30
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And how this matches up with the fourth column of the table in part C. So you can use this part to get a hint of how to fill out the table (or at least know what one column looks like)


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malfutka [58]

Answer:

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Step-by-step explanation:

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trasher [3.6K]
Pretty sure the answer is D, if you simplify it, you will have 1/5
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