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gatrellesse8407
14.07.2019 •
Mathematics
If angle l=105 degrees, what is the measurement of angle n?
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Ответ:
Ответ:
Step-by-step explanation:
Since the the number of internet glitches per day is a normal distribution and the the given distribution remains unchanged over the next 5 days, we would apply the formula for normal distribution which is expressed as
z = (x - u)/s
Where
x = the number of internet glitches per day.
u = mean
s = standard deviation
From the information given,
u = 20 glitches per day.
s = 4
We want to find
P(x greater than 25). It is also expressed as 1 - P(x lesser than or equal to 25)
P(x lesser than or equal to 25) =
For x = 25,
z = (25 - 20)/4 = 5/4 = 1.25
Looking at the normal distribution table, the corresponding value for the z score is 0.89435
P(x greater than 25) = 1 - 0.89435 = 0.106