normal distributed mean of 200pounds and a standard deviation of 20 pounds what percent would be over 250 pounds
1 answer:
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Let the maximum number of pages Jennifer can have be = x
Amount Jennifer has (P) = $62.10
Given equation is :
P =
Price is given = 62.10 , so equation is :
Hence, Jennifer can have a maximum of 68 pages in her book.
Alrighty
remember
means 
and
and
for all real values of x
so
means
means
which simplifies to
1=x²+4x-5
minus 1 both sides
0=x²+4x-6
use quadratic formula or complete the square
and 
2 solutions
remember
and
and
so
1=x²+4x-5
minus 1 both sides
0=x²+4x-6
use quadratic formula or complete the square
2 solutions