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Oksana_A [137]
2 years ago
12

35% of 15% of x is equivalent to which of the following

Mathematics
1 answer:
Irina-Kira [14]2 years ago
6 0

Answer:

need more info to help???????

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A dog show has 6 small dogs, 12 medium-sized dogs, and 6 large dogs. What is the probability that a dog chosen at random is a sm
sineoko [7]

Answer:

6/24= 3/12 = 1/4= 25%

Step-by-step explanation:

add 6+6+12 = 24. 6 small dogs so 6/24 and simplify

4 0
3 years ago
Ava bought some pens for $ 2 each and some pencils for $ 1 each. She bought 3 more pens than pencils and spent a total of $ 12.
Rudiy27

Answer:

Step-by-step explanation:

price of 1 pen= $ 2

price of 1 pencil= $1

total money spent= $12

Let the number of pen be a and number of pencil be b.

 2 a + b = 12   ----------------Equation 1

We have, she bought 3 more pens than pencils

  a - b = 3   ------------------  Equation 2

 Equation 1 +Equation 2,  

   2 a + b +  a - b = 12 + 3

                     3a = 15

                     a = 5

 Substituting in  equation

           5 - b = 3

               b = 2

 Number pencils Ava bought = 2

5 0
3 years ago
What is the mean of 4,4,2,1,4
bearhunter [10]

Answer:

3

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
A skier is trying to decide whether or not to buy a season ski pass. a daily pass cost $70. a season las costs $300. the skier w
Musya8 [376]

Answer:

hi, can you please answer mine too it's just a 1 question I really need the answer because I have to pass it later at 10 pm and it's already 9:01pm I hope you can help me:(

Step-by-step explanation:

about your question I'll just put it in the comment section:)

3 0
2 years ago
A game popular in Nevada gambling casinos is Keno, which is played as follows: Twenty numbers are selected at random by the casi
boyakko [2]

The missing part in the question;

and the payoff is $2.20 won for every dollar bet. (As the player’s probability of winning in this case is \dfrac{1}{4}........

Also:

For such a bet, the casino pays off as shown in the following table.

The table can be shown as:

Keno Payoffs in 10 Number bets

Number of matches        Dollars won for each $1 bet

0  -   4                                        -1

5                                                  1

6                                                  17

7                                                  179

8                                                 1299

9                                                 2599

10                                               24999

Answer:

Step-by-step explanation:

Given that:

Twenty numbers are selected at random by the casino from the set of numbers 1 through 80

A player can select from 1 to 15 numbers; a win occurs if some fraction of the player’s chosen subset matches any of the 20 numbers drawn by the house

Let assume X to represent the numbers of player chooses which are in the Casino-selected-set of 20.

Let assume the random variable X has a hypergeometric distribution with parameters  N= 80 and m =20.

Then, the probability mass function of a hypergeometric distribution can be defined as:

P(X=k)=\dfrac{(^m_k)(^{N-m}_{n-k})}{(^N_n)}, k =1,2,3 ... n

Now; the probability that i out of  n numbers chosen by the player among 20  can be expressed as:

P(X=k)=\dfrac{(^{20}_k)(^{60}_{n-k})}{(^{80}_n)}, k =1,2,3 ... n

Also; given that ; When the player selects 2 numbers, a payoff (of odds) of $12 won for every $1 bet is made when both numbers are among the 20

So; n= 2; k= 2

Then :

Probability P ( Both number in the set 20)  =\dfrac{(^{20}_2)(^{60}_{2-2})}{(^{80}_2)}

Probability P ( Both number in the set 20) = \dfrac{20*19}{80*79}

Probability P ( Both number in the set 20) =\dfrac{19}{316}

Probability P ( Both number in the set 20) =\dfrac{1}{16.63}

Thus; the payoff odd for =\dfrac{1}{16.63} is 16.63:1 ,as such fair payoff in this case is $16.63

Again;

Let assume X to represent the numbers of player chooses which are in the Casino-selected-set of 20.

Let assume the random variable X has a hypergeometric distribution with parameters  N= 80 and m =20.

The probability mass function of the hypergeometric distribution can be defined as :

P(X=k)=\dfrac{(^m_k)(^{N-m}_{n-k})}{(^N_n)}, k =1,2,3 ... n

Now; the probability that i out of  n numbers chosen by the player among 20  can be expressed as:

P(n,k)=\dfrac{(^{20}_k)(^{60}_{n-k})}{(^{80}_n)}, k =1,2,3 ... n

From the table able ; the expected payoff can be computed as shown in the attached diagram below. Thanks.

8 0
3 years ago
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