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Illusion [34]
3 years ago
14

. The teacher decides that no student can win twice, so she removes the tickets of the first winner before drawing the second wi

nner. What is the probability that she draws Kitzen first and then Ava second? Use a / to represent a fraction bar.

Mathematics
1 answer:
kozerog [31]3 years ago
7 0

Answer:

<h2>There is 8% probability of Kitzen winning first and Ava second.</h2>

Step-by-step explanation:

The given table shows that there are 4 students, so there are 4 possible winner in total, but they have different number of tickets.

The total number of tickets is 48, that's the total possible outcomes. Kitzen has a probability of

P_{Kitzen}=\frac{12}{48}=\frac{1}{4}

Ava has a probability of

P_{Ava}=\frac{16}{48}=\frac{1}{3}

Now, the probability of having one event and the other is

P=\frac{1}{4} \times \frac{1}{3}=\frac{1}{12} \approx 0.08

Therefore, there is 8% probability of Kitzen winning first and Ava second.

(Notice that the probaility is not about Kitzen or Ava winning, it's about winning both, that's why the percentage is low)

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M angle 3= 31°. Find m angle 4 (complementary angle)
solniwko [45]

Hi, there.

  ________

\boxed{\begin{minipage}{8cm} Complementary angles \\ Complementary angles  are angles whose sum \\ is 90^\circ. \text{Using this info, let's consider this:} \\ \text{If an angle's measure is 31 degrees, what's} \\ \text{its \ complement?}\end{minipage}}

\text{Set up an equation, letting a be the unknown angle}

\bold{a+31=90}\\\text{Subtract 31 from both sides}\\\bold{a=59}

Hope the answer - and explanation - made sense,

happy studying!!

6 0
1 year ago
A high school has 40 players on the football team. The summary of the players' weights is given in the box plot. Approximately,
yulyashka [42]

Answer:

About 91%

Step-by-step explanation:

According to the box plot provided :

Total number of students = 40

Minimum weight = 152 pounds

Third quartile (Q3) = 245

The approximate percentage of students that weigh 245 kg or less

About 10 of the intervals out of the 11 coverage interval of the box plot fall between 152 and 254 ; Hence,

(10 / 11) * 100

90.90

= about 91 % of the total students weigh 245 kg or less

4 0
2 years ago
Tammy will rent a car for the weekend. She can choose one of two plans. The first plan has no initial fee but costs 0.70 per mil
tensa zangetsu [6.8K]
This problem is about linear equations. We assume Dale drive X miles, and the total cost is $Y, then we can get:
Plan I: Y=38+0.11X
Plan II: Y=49+0.07X
When both plans cost the same, 38+0.11X=49+0.07X. We will get X = 275miles, and Y=$68.25
7 0
3 years ago
It is said that if you are with someone else, you do not have to outrun the wolf, you just
tigry1 [53]

Answer:

<u>The three equations:</u>

  • y = 15x, wolf
  • y = 10x + 15, you
  • y = 5x + 20, friend

<u>Compare the equations with wolf and you and with wolf and your friend:</u>

  • 15x = 10x + 15
  • 5x = 15
  • x = 3 seconds

It will take 3 seconds before you are caught by the wolf

  • 15x = 5x + 20
  • 10x = 20
  • x = 2 seconds

It will take 2 seconds before your friend is caught by the wolf, he will be caught a second before you.

7 0
2 years ago
Determine the volume if the figures below round to the nearest hundredth
elena-14-01-66 [18.8K]

Answer:

48 m³

4,186.67 km³

Step-by-step explanation:

volume of pyramid =

⅓×6×6×4 = 48 m³

volume of ball =

4/3 × 3.14 × 10³ = 4,186.67 km³

6 0
3 years ago
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