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Tasya [4]
3 years ago
6

Mr. Enders conducted a survey and found that 2/5 of his students play a team sport and 1/4 of those students play basketball. Wh

at fraction of his students play basketball? ______ of his students *
2 points
Mathematics
1 answer:
Papessa [141]3 years ago
5 0

Answer:

1/10

Step-by-step explanation:

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Suppose someone gives you 8 to 2 odds that you cannot roll two even numbers with the roll of two fair dice. This means you win ​
krek1111 [17]

Complete question :

Suppose someone gives you 8 to 2 odds that you cannot roll two even numbers with the roll of two fair dice. This means you win $8 if you succeed and you lose $2 if you fail. What is the expected value of this game to​ you? What can you expect if you play 100 times.

Answer:

$0.5 ; win $50 with 100 rolls

Step-by-step explanation:

From a roll of two fair dice; probability of obtaining an even number :

Even numbers = (2, 4, 6) = 3

P = 3 /6 = 1 /2

For 2 fair dice ; probability of rolling two even numbers : independent event.

1/2 * 1/2 = 1/4

Hence, p(success) = 1/4 ; P(failure) = 1 - 1/4 = 3/4

Probability table

Winning = $8 or loss = - $2

X : ____ 8 ______ - 2

P(x) __ 1/4 ______ 3/4

Expected value : E(x) = ΣX*P(x)

E(x) = (8 * 1/4) + (-2 * 3/4)

E(x) = 2 - 1.5

E(x) = $0.5

Since expected value is positive, the expect to win

If played 100 times;

Expected value = 100 * $0.5 = $50

6 0
2 years ago
Murray Hill Middle School has 800 students. If 65% of the students ride the bus to school, then how many students ride the bus t
Margarita [4]

Answer:

520 Students

Step-by-step explanation:

800 x 0.65 = 520

520 students ride the bus

6 0
3 years ago
Read 2 more answers
Please help me 100 points and brainliest <br> Which net represents this solid figure?
Contact [7]

The one you picked, on the bottom left is correct

The top two both have rectangles and triangles, making them most likely triangular prisms. To the bottom right, the net represents a cube, which is incorrect, because the figure is supposed to be a rectangular prism.

7 0
2 years ago
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Erin has a balance of $1,150.34 in her check register. On her statement, the balance of her account is $844.93. Not reported on
larisa [96]

Answer:

D

Step-by-step explanation:

6 0
3 years ago
Can any one tell me how to do this problem?
Vika [28.1K]
(1/2)/2=3/x
we can cross multiply, aka multiply both sides by 2x
(1/2)x=2*3
(1/2)x=6
times 2/1 both sides
x=12
5 0
3 years ago
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