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aliina [53]
3 years ago
6

Two yellow marbles, three pink marbles and five blue marbles are in a bag, two marbles are randomly drawn, what is the probabili

ty of drawing two yellow marbles if the first one is not placed back into the bag before the second draw?
Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
3 0

Answer:

1/45

Step-by-step explanation:

P(Y,Y) = 2/10 x 1/9

= 1/45

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4 years ago
Need help with this one
kkurt [141]
So 4a=0.24 well its simple
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4 0
3 years ago
The time it takes me to wash the dishes is uniformly distributed between 5 minutes and 12 minutes. What is the probability that
GalinKa [24]

Answer:

0.2857

Step-by-step explanation:

We define the time it takes to do these dishes to be uniformly distributed between the time 5 minutes and 12 minutes.

a = 5 minutes

b = 12 minutes

Probability of tonight's dish washing being between 6 and 8 minutes

P(6<X<8)

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5 0
3 years ago
Henry has a reading list of 10 books that he can choose from to read this week. Identify the constraint for the number of books
lyudmila [28]

Answer:

  • b ≤ 10, which means <em>number of books less than or equal to 10.</em>

Explanation:

In mathematical language a<em> constraint</em> is a limitation on the values that a variable can take.

In this case, the constraint is given by the fact that there are 10 books in the reading list from which Henry can choose to read this week.

So, the number of books that he can read is 1, 2, 3, ..., 10 (at most). This is, 10 books is an upper bound.

To represent an upper bound, you use the inequality symbol ≤, which means less than or equal to.

Henry can read as many as 10 books, so that is less than or equal to 10.

If you call b the number of books, the constrain may be written as:

  • b ≤ 10.

constraint is a condition of an optimization problem that the solution must satisfy. There are several types of constraints—primarily equality constraints, inequality constraints, and integer constraints. The set of candidate solutions that satisfy all constraints is called the feasible set.[1

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4 years ago
A house on the market was valued for 409,000
Nana76 [90]
I’d need to know the question to answer this.
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