20. Suppose
random variable Х is continuous
2x
0<x<1
f(x) = 1
0, otherwis...
Mathematics, 10.06.2021 02:50 cheriebg
20. Suppose
random variable Х is continuous
2x
0<x<1
f(x) = 1
0, otherwise
a. Check f(x) is a pdf? (1 pts)
b. Find p (x >0.5)? (2 pts)
c. Calculate E(x) and Var(x)? (
Answers: 2
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111 thirty dollars is to be divided among three girls and two boys so that each of the girls receives twice as much as each of the boys. how much does each receive?
Answers: 1
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Ahome improvement store rents it’s delivery truck for $19 for the first 75 minutes and $4.75 for each additional 1/4 hour. if a customer rented the truck at 11: 10 am and returned the truck at 1: 40 pm the same day, what would his rental cost be?
Answers: 1
Mathematics, 21.06.2019 16:30
Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?
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