Answer:
a. Expected frequency of losses per semester = 0*0.08 + 5*0.16 + 10*0.28 + 15*0.32 + 20*0.14 + 25*0.02
Expected frequency of losses per semester = 11.7 losses per semester
b. Variance = (0-11.7)²*0.08 + (5-11.7)²*016 + (10-11.7)²*0.28 + (15-11.7)²*0.32 + (20-11.7)²*0.14 + (15-11.7)²*0.02
Variance = 10.9512 + 7.1824 + 0.8092 + 3.7848 + 9.6446 + 3.5378
Variance = 35.61
c. As losses equal $60, expected losses per semester = 11.7*$60 = $702
d. Expected losses of all textbooks per semester = 250*11.7*$60 = $175,500
20.7123152 thats the answer i looked it up
Step-by-step explanation:
let the width be x
then length is 3x+8
now
we have
p= 2(l+b)
or, 352=2(3x+8+x)
or, 352/2=4x+8
or, 176=4x+8
or, 176-8=4x
or, 168=4x
or, x=168/4
therefore x=42
width =42 yards
length =3x+8=3*42+8=134yards
HOPE IT HELPS
Answer:
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Explanation:
Domain is possible x - values
Answer:
Step-by-step explanation:
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