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Find the variance of the probability density function to the nearest hundredth. 11) f(x) = (1/3); [3, 6]

Question : Find the variance of the probability density function to the nearest hundredth. 11) f(x) = (1/3); [3, 6] : 2151850

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

Find the expected value of the probability density function to the nearest hundredth.

1) f(x) = (1/3); [3, 6]

A) 4.50

B) 4.00

C) 5.00

D) 4.17

2) f(x) = (1/5); [0, 5]

A) 2.50

B) 5.00

C) 2.40

D) 12.50

3) f(x) = (x/8) - (1/4); [2, 6]

A) 4.00

B) 5.00

C) 4.67

D) 4.33

4) f(x) = 2(1 - x); [0, 1]

A) 0.33

B) 1.00

C) 0.67

D) 0.50

5) f(x) = 1 - (1/√(x)); [1, 4]

A) 2.50

B) 2.67

C) 2.83

D) 3.00

6) f(x) = 3x-4; [1, ∞)

A) 1.75

B) 1.50

C) 1.00

D) 1.25

7) f(x) = 4x-5; [1, ∞)

A) 1.33

B) 0.80

C) 1.67

D) 1.00

8) f(x) = (1/6); [2, 8]

A) 5.00

B) 5.33

C) 4.50

D) 6.50

9) f(x) = (x/3) - (1/6); [3, 4]

A) 3.53

B) 3.50

C) 8.28

D) 3.75

10) f(x) = (3x2/98); [3, 5]

A) 4.78

B) 4.16

C) 1.31

D) 4.20

Find the variance of the probability density function to the nearest hundredth.

11) f(x) = (1/3); [3, 6]

A) 0.38

B) 0.75

C) 0

D) 1.89

12) f(x) = (1/5); [0, 5]

A) 2.08

B) 1.04

C) 2.09

D) 0

13) f(x) = (x/8) - (1/4); [2, 6]

A) 0.84

B) 0.88

C) 0.16

D) 0.91

14) f(x) = 2(1 - x); [0, 1]

A) 0.60

B) 1.50

C) 0.06

D) 1.00

15) f(x) = 1 - (1/√(x)); [1, 4]

A) 0.53

B) 0.57

C) 0.61

D) 0.52

16) f(x) = 3x-4; [1, ∞)

A) 0.69

B) 0.75

C) 0.50

D) 0.73

17) f(x) = 4x-5; [1, ∞)

A) 0.33

B) 0.20

C) 0.22

D) 0.25

18) f(x) = (1/6); [2, 8]

A) 2.98

B) 2.75

C) 2.86

D) 3.00

19) f(x) = (x/3) - (1/6); [3, 4]

A) 0.05

B) 0.08

C) 0.10

D) 0.06

20) f(x) = (3x2/98); [3, 5]

A) 0.27

B) 0.31

C) 0.33

D) 0.25

Solution
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Calculus 5 Months Ago 52 Views
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