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Mice21 [21]
2 years ago
7

The two-way frequency table shows the results of a survey of a certain forest. Find the probability that a randomly chosen tree

will be a California redwood tree taller than 300 ft. Round to the nearest thousandth. Trees in Forest Height of 300 ft Over Under Totals California Redwood 25 280 305 Giant Sequoia 35 270 305 Totals 60 550 610.
A. 0.459

B. 0.082

C. 0.417

D. 0.041
Mathematics
2 answers:
REY [17]2 years ago
7 0
Just read the table! 

<span>From "the probability that a randomly chosen tree": </span>
<span>    ⇒ How many Trees? </span>
<span>Write the denominator. </span>

<span>From "will be a California redwood tree taller than 300 ft"" </span>
<span>    ⇒ How many California redwood tree taller than 300 ft? </span>
<span>Write the numerator. </span>

<span>Done.

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
</span>
olga nikolaevna [1]2 years ago
4 0

Answer: the answer is D. 0.041


Step-by-step explanation:


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For the straight line defined by the points (3, 59) and (5, 87), determine the slope and y-intercept. do not round the answers.
Margarita [4]
(3,59)(5,87)
slope = (87 - 59) / (5 - 3) = 28/2 = 14 <== ur slope

y = mx + b
slope(m) = 14
use either of ur points...(3,59)...x = 3 and y = 59
now we sub and find b, the y int
59 = 14(3) + b
59 = 42 + b
59 - 42 = b
17 = b <=== ur y int (0,17)
4 0
3 years ago
Ashlyn needs to bring a dessert to her dinner party. If the bakery has eight pies to choose from, how many ways can Ashlyn choos
Snowcat [4.5K]

<u>Ashely have </u><u>56 ways</u><u> to choose from</u>

This question can be solved using a system in mathematics called Permutation and it's in a topic of mathematics called combinatorics.

<h3 /><h3>Permutation</h3>

This is the process of arranging a particular set of data in different ways.

Since Ashely is choosing 3 desserts out of 8 in no specific ways

P=\frac{n!}{(n-r)!}

Where n = total number of ways available

r = total numbers that would be selected.

Data given

  • n = 8
  • r = 3

Let's substitute these values into the equation.

P=\frac{8!}{(8-3)!3!} \\P=\frac{8*7*6*5*4*3*2*1}{5*4*3*2*1*3*2*1}\\P=56

From the calculation above, Ashley have 56 ways in which can choose 3 dessert from an 8 choice.

Learn more about permutation here;

brainly.com/question/11871015

8 0
2 years ago
Evaluate the polynomial when a. x = 0 and b. X = - 1.<br><br> x^2 - 8x - 7
jeka57 [31]

Answer:

(a) -7, (b) 2

Step-by-step explanation:

a) When x = 0,

=> x² - 8x - 7

=> (0)² - 8(0) - 7

=> 0 - 0 - 7

=> - 7

b) When x = -1,

=> x² - 8x - 7

=> (-1)² - 8(-1) - 7

=> 1 + 8 - 7

=> 9 - 7

=> 2

<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em>.</em>

3 0
2 years ago
Farmer grey has 10 chicks. He has 3 more chicks than farmer brown. Which sentence shows how many chicks farmer brown has?
Paha777 [63]
Answer: is 7

Because 3+7 is 10
3 0
2 years ago
Question 5 of 10<br> This graph shows the solution to which inequality?<br> (3, 3)<br> (-3,-1)
AlekseyPX

Answer:

What graph

Step-by-step explanation:

I’m confused

6 0
3 years ago
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