(18×2) + 2n=58
36+2n= 58
2n=58-36
2n= 22
n= 22÷2
n= 11
Based on the random sample of beach lengths taken, the probability of a randomly selected beach having a length of 12 miles is C. 0.
<h3>What is the probability that a beach is 12 miles in length?</h3>
Beach length is considered a continuous variable which takes a numerically positive form because it can have any one of infinite possible values.
As a result, there is no possibility that a beach chosen at random will have a given length of 12 miles which means that the probability is 0.
In conclusion, the probability that a selected beach has a length of 12 miles is 0.
Find out more on continuous variables at brainly.com/question/27761372
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Answer: A = N/360 x (pi x r^2).
Step-by-step explanation:
looked it up online
Answer:
a) 
D. 9.74
b) 
B. 74
Step-by-step explanation:
Part a
We have the following dataset given:
69 74 75 62 70 93 64 69 61 88 67 77 87 90 66 91 77 63 82 82 71 74 76 65 83
We can begin calculating the sample mean with the following formula:

And replacing we got:

Now we can calculate the sample deviation with the following formula:

And after replace we got:

Part b
For this case we need to sort the value on increasing way:
[1] 61 62 63 64 65 66 67 69 69 70 71 74 74 75 76 77 77 82 82 83 87 88 90 91 93
And the median would be the value in the position 13 and we got:

Answer:
47.1 inches
Step-by-step explanation:
The formula for finding circumference is C = D x pi
So, we go 15 x 3.14, and we get 47.1 inches