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Ira Lisetskai [31]
3 years ago
5

Need answers for Question 5 and 6

Mathematics
1 answer:
dexar [7]3 years ago
4 0

Answer:

5. A  6. B

Step-by-step explanation:

5. there are 4 letters out of 12 cards, so the probability is 4/12, which equals 1/3

6. there are two J cards out of 12 cards, so the probability is 2/12. which equals 1/6

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In a jar, there is a green, a blue, and a red marble. You draw (with replacement) a marble from the jar until you get the green
denpristay [2]

Answer:

The value is P( X = m ) = (\frac{2}{3} )^{m-1 } * \frac{1}{3}

Step-by-step explanation:

From question we are told that

   The number of types of marbles present jar is n  =  3

Generally the probability of drawing a green marble is  

     P(g) =  \frac{1}{3}

Generally the probability of drawing a marble that is not green is  

     P(g') =  1 - \frac{1}{3} = \frac{2}{3}

From the question we are told that there will be continuous drawing of marbles from the jar (in such a way that after each marble is drawn it is being replaced) until a green marble drawn

  Let m be the number of times marbles has been drawn when a green marble was gotten

it then means that for m - 1 times the marbles where drawn a green marble was not obtain.

Generally the probability drawing m times is mathematically is mathematically represented as

    P( X = m ) = (P(g'))^{m-1 } * P(g)

=>  P( X = m ) = (\frac{2}{3} )^{m-1 } * \frac{1}{3}

7 0
3 years ago
Coca-Cola comes in 2 low-calorie varieties: Diet Coke and Coke Zero. If a promoter has 10 cans of each how many ways can she sel
madam [21]

Answer:

There are 14,400 possible ways to do this

Step-by-step explanation:

Here, we have a selection problem. What to use is combination obviously.

For a combination problem, we would be selecting a specific number from a given total. For a case where we have n number of things and we are looking for how many ways to select r number of things, this can be done in nCr ways and this is mathematically equal to n!/(n-r)!r!

For the Diet coke, she has 10 bottles and want to select 3 for tasting, the number of ways she can do this is mathematically equal to 10C3. Computationally this is equal to ;

10!/(10-3)!3! = 10!/7!3! = 120 ways

For the coke zero, we have the same pattern, selecting a total number of 3 out of 10. This means the same 10C3 with the answer being 120 ways also.

Now, the number of ways of selecting from both would be a multiplication of both answers which is 120 ways * 120 ways = 14,400 ways

8 0
3 years ago
It costs $0.50 to download an individual song and $4 to download an album jada has $15 to spend downloading music. Sketch a grap
melisa1 [442]

Answer

15$-50¢=14.50-4$=10.50

Step-by-step explanation:

8 0
3 years ago
Choose whether if it is a scalene, isosceles, or equilateral. SIDES: 23 mm, 20 mm, 13 mm, ANGLES: 62^,72^,46^
garri49 [273]

Answer:

It is a Scalene triangle

Step-by-step explanation:

No angles nor any sides are congruent to each other, hence it is a scalene triangle.

3 0
3 years ago
What is the solution to this problem?
Lapatulllka [165]
I can tell you how to solve it I you want me too
3 0
4 years ago
Read 2 more answers
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