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Novosadov [1.4K]
3 years ago
15

If a marble is randomly chosen from a bag that contains exactly 8 red marbles, 6 blue marbles, and 6 white marbles. What is the

probability that the first marble will NOT be white and the second will BE white?​
Mathematics
1 answer:
frozen [14]3 years ago
8 0

Answer:

Step-by-step explanation:

so theres 8 red marbles, 6 blue marbles, and 6 white marbles so that makes

8 + 6 + 6 = 20 marbles in total

the probability of the marble being white is 6/20 or 3/10

so the probabilty of the marble NOT being white is 1 - (3/10) = 7/10

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X/3 = 8<br> 3 divided by x = 8<br> what’s the x?
anzhelika [568]

Answer:

x=24

Step-by-step explanation:

1. Multiply all terms by the same value to eliminate fraction denominators

   x/3=8

   3(x/3)=8(3)

2. Cancel multipled terms that are in the same denminator

   3(x/3)=8(3)

    x=3(8)

3. Multiply the numbers

   x=3(8)

   x=24

7 0
2 years ago
****The last option was F=5+P<br><br> Help I need it ASAP
Liono4ka [1.6K]

Answer:

P = F + 5

Step-by-step explanation:

Phineas' nose is equivilent to Ferb's nose plus five

6 0
3 years ago
Which algebraic expression represents “the difference of 54 and a number”?
vampirchik [111]

Answer:

54 - number=x

example 54 -1 =53

If it doesnt sorry :(

5 0
3 years ago
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What is an equation of the line that passes through the points (4, 3) and (-6, 3)?
kodGreya [7K]

Answer:

Step-by-step explanation:

(4,3)(-6,3)

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6 0
3 years ago
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Little’s Law Firm has just one lawyer. Customers arrive randomly at an average rate of 6 per 8 hour workday. Service times have
serg [7]

Answer:

On average, customer spends approximately  98 min at Little’s Law Firm

Step-by-step explanation:

Given the data in the question;

Arrival rate λ = 6 per 8 hours =  6 / ( 8 × 60 )min = 6 / 480 = 0.0125 per minute

Service rate δ = 1 / 50 min = 0.02 per minute

Standard deviation σ = 20 min

Now,

Utilization rate U = Arrival rate / Service rate

U = 0.0125 / 0.02

Utilization rate = 0.625

Number of people in Queue will be;

⇒ ( (λ² × σ²) + U² ) / ( 2 × ( 1 - U )

we substitute

⇒ ( (0.0125² × 20²) + 0.625² ) / ( 2 × ( 1 - 0.625 )

⇒ ( 0.0625 + 0.390625 ) / ( 2 × 0.375 )

⇒ 0.453125 / 0.75

Number of people in Queue = 0.6042

Now

Wait in the Queue = Number of people in Queue / λ

= 0.6042 / 0.0125 = 48.336

Wait Time in Office = Wait in the Queue + ( 1 / δ )

= 48.336 + ( 1 / 0.02 )

= 48.336 + 50

Wait Time in Office = 98.336 ≈ 98 min

Therefore, On average, customer spends approximately  98 min at Little’s Law Firm

3 0
3 years ago
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