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Nezavi [6.7K]
3 years ago
10

Find the expected value of the winnings

Mathematics
1 answer:
adelina 88 [10]3 years ago
3 0

Multiply each payout by the corresponding probability and take the total:

E[X] = 0×0.5 + 5×0.2 + 8×0.15 + 10×0.1 + 15×0.05 = 3.95

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The doctor orders2cc of 2% lidocaine to be use as a loca anesthetic how many milliliter s will you draw
topjm [15]

one may note that 1 CC, Cubic Centimeter, or 1 cm³, is actually equivalent to 1 mL, milliliter.

so 2 cc = 2 mL.

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4 years ago
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Admission to a circus is $16 for adults and $8 for children.Write an expression to find the total cost of 3 adult tickets and 8
kow [346]
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5/18 + 4/9 (fractions)
Airida [17]

Answer:

\frac{13}{18}

Step-by-step explanation:

\frac{5}{18}+\frac{4}{9}  \\=\frac{5}{18}+\frac{4*2}{9*2}  \\=\frac{5}{18}+\frac{8}{18}\\=\frac{13}{18}

6 0
3 years ago
I NEED HELP PLEASE ASAP! :)
Nonamiya [84]

Answer:

( About ) 1,099 pounds

Step-by-step explanation:

The force required to keep this truck from rolling down the hill is opposed by the force of friction, comparative to the 2600 pounds of force against this friction. It should be that this opposing force is at work more towards the bottom of this hill, and thus the question asks the magnitude of latter force to keep this truck idle -

|| F || = sin( 25 ) * ( Fg ) = sin( 25 ) * ( 2600 lb ) = ( About ) 1098.80748 pounds

<u><em>This can be rounded to a solution of 1099 pounds</em></u>

7 0
3 years ago
Use the equation to answer the following question y=(x-3(x+2)/(x+4)(x-4)(x+2)
givi [52]

Answer:

See below

Step-by-step explanation:

The given rational function is;

y=\frac{(x-3)(x+2)}{(x+4)(x-4)(x+2)}

The given function is not continuous where the denominator is equal to zero.

(x+4)(x-4)(x+2)=0

The function is discontinuous at x=-4,x=4,x=-2

b) The point at x=-2 is a removable discontinuity(hole) because (x+2) is common to both the numerator and the denominator.

The point at x=-4 and x=4 are  non-removable discontinuities(vertical asymptotes)

c) The equation of the vertical asymptotes are x=-4 and x=4

To find the equation of the horizontal asymptote, we take limit to infinity.

\lim_{x\to \infty}\frac{(x-3)(x+2)}{(x+4)(x-4)(x+2)}=0

The horizontal asymptote is y=0

8 0
3 years ago
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