Answer:
The mean time between logons is of 0.3333 minutes.
Step-by-step explanation:
Poisson process with an average of 3 logons per minute.
This means that the time between logons follows an exponential distribution, which mean is given by:
For this question, we have that 
, and thus:
The mean time between logons is of 0.3333 minutes.
Answer:
Step-by-step explanation:
x² - 5 = 11
add 5 : x² - 5+5 = 11 +5
x² = 16
x² - 4 ² = 0
(x-4)(x+4)=0
x - 4 = 0 or x+ 4 = 0
x = 4 or x = - 4
Answer
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4x+ 20 = 3x + 55 (vertical angles)
4x - 3x = 55 - 20
x = 35
The answer is -65 because it is trust me
