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3 years ago

13

a bookcase contains 2 statistics books and 4 biology books. if 2 books are chosen at random,the chance that both are statistics

books is

1 answer:

azamat3 years ago

5 0

Do you want a ratio? If so 1:2

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You have a 20-ounce bottle of juice. You pour out 1/4 of the bottle to share with a friend. If you pour out 3 ounces for yoursel

Nadusha1986 [10]

3/5 left in the bottle

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3 years ago

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A daily lottery is conducted in which three winning numbers are selected out of 100 numbers (without duplicates). how many diff

Black_prince [1.1K]

That is 100 choices for the first number
99 for the 2nd number
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3 years ago

SoIve the equation a = m - n for the variable n.

vitfil [10]

Answer:

<h2>B. n = m - a</h2>

Step-by-step explanation:

$a=m-n\qquad\text{subtract}\ a\ \text{from both sides}\\\\a-a=m-n-a\\\\0=m-n-a\qquad\text{add}\ n\ \text{to both sides}\\\\0+n=m-n+n-a\\\\n=m-a$

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3 years ago

Which is the simplified form of r Superscript negative 7 Baseline + s Superscript negative 12?

Snowcat [4.5K]

I can’t even read that but the answer is 3 I think

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3 years ago

A card is drawn at random from a standard 52-card deck find the probability that the card is not a 4

Kazeer [188]

Answer:

D

Step-by-step explanation:

We know that four (4) queen cards are present in the deck of 52 cards. So, the probability of drawing one queen card is calculated as,

P = 1/13

The probability of not a queen is calculated as,

P' = 1 - P = 1 - 1/13 = 12/13

3 0

3 years ago