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rewona [7]
2 years ago
10

Sellus

Mathematics
1 answer:
igor_vitrenko [27]2 years ago
8 0

Answer:

3.9

Step-by-step explanation:

Given the data:

Payout ($) (x) : 0 2 4 8 10

Probability p(x) : 0.35 0.2 0.1 0.2 0.15

The expected winning ; E(X) = Σ(x * p(x))

Σ(x * p(x)) = (0*0.35)+(2*0.2)+(4*0.1)+(8*0.2)+(10*0.15)

= 0 + 0.4 + 0.4 + 1.6 + 1.5

= 3.9

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The diameter of a circle is 7 m. Find the circumference to the nearest tenth
Molodets [167]

Answer:

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Step-by-step explanation:

Diameter d = 7 m

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3 0
3 years ago
Help this is due today, its one question
strojnjashka [21]
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A chemist mixes a 10% hydrogen peroxide solution with a 25% hydrogen peroxide solution to create 30 liters of a 15% hydrogen per
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Charra [1.4K]

Answer:

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5 0
2 years ago
If the sum of a number and four is doubled, the result is six less than the number. Find the number
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