Find the sum or difference -2 + (-3) =
2 answers:
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Lowest score earned to be qualified for an interview is 92.82
X : Marks scored in interview
X ~ N(80,100)
Here we need to find x such that P(X > x) = 0.10
using standard normal table,
we get P( z > 1.282) = 0.10
It's always easy to use Standard normal distribution to solve questions of normal distribution because standard normal is special case of normal distribution with mean 0 and standard deviation 1.
To convert x (which follows Normal distribution) to standard normal use:
so,
<em>hence,</em>
<em> </em>
Hence Lowest score earned to be qualified for an interview is 92.82
To learn more about Normal Distribution visit:
#SPJ4
Answer:
In the attachment
Step-by-step explanation:
<, > - dots line
≤, ≥ - solid line
<, ≤ - shading to the left
>, ≥ - shading to the right
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We have x > -2
dot line x = -2
shading to the right
