Answer:
Since P(0) and P(1) have not the same values for the probability, X is not a discrete uniform random variable.
Step-by-step explanation:
Probability of data to be correct: 0.5
Probability of data being incorrect: 0.5
The random variable X is the number of fields that have an error within the range of 28.
P(0) = 
P(1) = 
Answer: The computer worth $ 492.38 after 5 years.
Step-by-step explanation:
If the value of an item depreciates by r% then the value of the item after t years is given by :-
, where 
= initial value.
Given: =$1,250, r=17% , t= 5 years
Then, the value of computer after 5 years = 
Hence, the computer worth $ 492.38 after 5 years.
Answer:
x² - 9x + 14 by completing the square is (x - 9/2)² - 25/4
Step-by-step explanation:
Given x² - 9x + 14
To rewrite by completing the square, we need to write this in the form (a + b)² or (a - b)² without changing the value of the expression.
(a + b)² = a² + 2ab + b² (equation 1)
(a - b)² = a² - 2ab + b² (equation 2)
x² - 9x + 14 = x² - 2(x)(9/2) + (9/2)² - 25/4 (equation 3)
Comparing (equation 3) with (equation 1) and (equation 2), we can see that it takes the form of (equation 1), though, surplus of 25/4, where a = x, and b = 9/2.
So
x² - 2(x)(9/2) + (9/2)² = x² - 2(x)(9/2) + 81/4 = (x - 9/2)²
Which means
x² - 9x + 14
= x² - 2(x)(9/2) + 81/4 - 25/4
= x² - 2(x)(9/2) + (9/2)² - 25/4
= (x - 9/2)² - 25/4
And the square is completed.
Answer: 18 = V
Step-by-step explanation: What you do is take the answer and subtract 8 from it. That's V! You can even check it by putting 18 over the V and adding.
