2 years ago

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Mathematics

1 answer:

Gekata [30.6K]2 years ago

4 0

0.75s because you need to multiply 0.75 by s

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You own a Roulette Wheel, which has 37 (European Version) equally distributed parts, each has a number number associated. 0 is g

Anika [276]

Answer:

To expect a profit in the long run, we have to charge more than $1.73 per play.

Step-by-step explanation:

We hace a roulette wit 37 slots.

One is green, eighteen are red and eighteen are black.

The expected pay for the gambler can be calculated as the sum of the probability of getting green, red or black multiplied by the respective pay.

$E(g)=\sum p_iG_i=p_gG_g+p_rG_r+p_bG_b\\\\\\E(g)=\dfrac{1}{37}(10)+\dfrac{18}{37}(1)+\dfrac{18}{37}(2)\\\\\\E(g)=\dfrac{10+18+36}{37}=\dfrac{64}{37}\approx1.73$

If $1.73 per play is the expected pay that will receive the gambler, we have to charge at least this amount to make sure we will make a profit in the long run.

4 0

2 years ago

There are 5 cyclists in a race. There will be a first-place, a second-place, and a third-place prize awarded. In how many differ

rodikova [14]

Total number of cyclists = 5

And total number of prizes = 3

We have to find number of different ways can the 3 prizes be awarded .

For the first price , we have 5 options, for the second prize, we have 4 options and for the third prize, we have three options.

So total number of ways are

$=5*4*3 = 60$