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3 years ago

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A standard deck of 52 cards has an additional card—a joker—added to it, making the total number of cards in the deck 53. a singl

e card is drawn from this deck. what is the probability that the single card drawn is a black king?

1 answer:

Tom [10]3 years ago

8 0

53 cards in total....2 black kings

P(picking a black king) = 2/53 = 0.037 = 3.7%

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Ms. Leverenz is doing an art project with her class. She has a 3 foot piece of ribbon. If she gives each student an eighth of a

vesna_86 [32]

Yes, she will.

<h3>Further explanation</h3>

<u>Given:</u>

Ms. Leverenz is doing an art project with her class.

She has a 3-foot piece of ribbon.
She gives each student an eighth of a foot of ribbon.

<u>Question:</u>

Will she have enough for her class of 22 students?

<u>The Process:</u>

$\boxed{ \ An \ eighth \ is \ \frac{1}{8} \ or \ equal \ to \ \frac{1 \times 125}{8 \times 125} = \frac{125}{1,000} = 0.125 \ }$

Let us draw a diagram that connects between she gives each student an eighth of a foot of ribbon with 22 students in her class.

$\boxed{ \ \frac{1}{8} \ }\boxed{ \ \frac{1}{8} \ }\boxed{ \ \frac{1}{8} \ } \cdot \cdot \cdot \cdot \boxed{ \ \frac{1}{8} \ }\boxed{ \ \frac{1}{8} \ } \\\boxed{1^{st}} \boxed{2^{nd}} \boxed{3^{rd}} \cdot \cdot \cdot \cdot \boxed{21^{st}}\boxed{22^{nd}} \ student$

From the diagram above, let us calculate how long (in ft) the ribbon she has given to 22 students.

$\boxed{ \ \frac{1}{8} \times 22 = ? \ }$

$\boxed{ \ = \frac{22}{8} \ }$

$\boxed{ \ = \frac{16}{8} + \frac{7}{8} \ }$

$\boxed{ \ = 2 + \frac{7}{8} \ }$

$\boxed{\boxed{ \ = 2\frac{7}{8} \ }}$

Therefore, there are $2\frac{7}{8}$ -foot piece of ribbon that she has given.

Ms. Leverenz has a 3-foot piece of ribbon.

$\boxed{ \ 2\frac{7}{8} < 3 \ }$

Thus, because the total number of pieces of ribbon given is smaller than the initial length, she will have enough for her class of 22 students

<h3>Learn more</h3>

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Keywords: Ms. Leverenz is doing, an art project, with her class, a 3-foot piece of ribbon, she gives, each student, an eighth, will, have enough, for, her class, 22 students, diagram, smaller than

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