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Leno4ka [110]
3 years ago
11

A book store sells used

Mathematics
1 answer:
iragen [17]3 years ago
3 0

Answer:

The correct answer is C

Positive

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A group of teenagers are asked about their favourite hobbies. The results are shown in the following table: Sports Playing video
sashaice [31]

Using the probability concept, it is found that there is a \frac{1}{4} probability that a teenager selected at random is female and their favorite hobby is watching films.

<h3>What is a probability?</h3>

A probability is given by the <u>number of desired outcomes divided by the number of total outcomes</u>.

In this problem:

  • There is a total of 32 teenagers.
  • Of those, 8 are female with a favorite hobby of watching films.

Hence:

p = \frac{8}{32} = \frac{1}{4}

\frac{1}{4} probability that a teenager selected at random is female and their favorite hobby is watching films.

You can learn more about the probability concept at brainly.com/question/15536019

8 0
3 years ago
A leaking pond loses 20 gallons of water in 49 hours. How many gallons of water will it lose in 5 hours? Round to one decimal pl
White raven [17]

Answer:

12.25

Explanation

49/20 <em><u>(which is the same as (</u></em><em><u>4</u></em><em><u>9</u></em><em><u>÷</u></em><em><u>2</u></em><em><u>0</u></em><em><u>))</u></em><em><u> </u></em>=2.45

<em><u>Multiply</u></em><em><u> </u></em><em><u>2</u></em><em><u>.</u></em><em><u>4</u></em><em><u>5</u></em><em><u> </u></em><em><u>by</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>amount</u></em><em><u> </u></em><em><u>of</u></em><em><u> </u></em><em><u>hours</u></em><em><u> </u></em><em><u>(</u></em><em><u>5</u></em><em><u>)</u></em><em><u> </u></em>

2.45 \times 5 = 12.25

=12.25

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i dont f**cking know!! LOLLLLL GIVE ME BRAINLIEST PLEASE !!!!

Step-by-step explanation:

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