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kodGreya [7K]
3 years ago
11

Fraction 8 - 1000 in decimal form

Mathematics
1 answer:
umka2103 [35]3 years ago
8 0
0.008 is 8/1000 as a decimal
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Jessica has a four-sided die, a six-sided die, and a 12-sided die. She rolls the three dice once. Let Z be the number of fours s
yawa3891 [41]

Answer:

The value of E [Z]  is 0.50.

Step-by-step explanation:

The expected value is computed using the formula:

E(X)=\sum x\cdot P(X= x)

Denote the three dices as follows:

X₁ = a four-sided die

X₂ = a six-sided die

X₃ = a 12-sided die

Define the indicator variables as follows:

I_{1}=\left \{ {{1;\ X_{1}=4} \atop {0;\ X_{1}\neq 4}} \right. \\\\I_{2}=\left \{ {{1;\ X_{2}=4} \atop {0;\ X_{2}\neq 4}} \right. \\\\I_{3}=\left \{ {{1;\ X_{3}=4} \atop {0;\ X_{3}\neq 4}} \right.

The probability of rolling a 4 in the three dices are as follows:

P(X_{1}=4)=\frac{1}{4}\\\\P(X_{2}=4)=\frac{1}{6}\\\\P(X_{3}=4)=\frac{1}{12}

Compute the value of E [Z] as follows:

E(Z)=E(I_{1})+E(I_{2})+E(I_{3})

         =(1\times\frac{1}{4})+(1\times\frac{1}{6})+(1\times\frac{1}{12})\\\\=\frac{3+2+1}{12}\\\\=\frac{6}{12}\\\\=\frac{1}{2}\\\\=0.50

Thus, the value of E [Z]  is 0.50.

8 0
2 years ago
Is -13 over -12 rational or irrational?
otez555 [7]

Answer:

Step-by-step explanation:

-13/-12 = 1.0833......

The number is non terminating and repeating. So, it is rational number

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Use the distributive property to simplify 45c+10d
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I think this is correct:
5(9c + 2d)
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A container holds 16 pints of lemonade. how much is this in gallons
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16 pints to gallons equals 2 gallons.
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I need help with this one asap
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Answer:

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Step-by-step explanation:

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