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sweet [91]
3 years ago
12

Which of the following statements are true? (Select all that apply)

Mathematics
1 answer:
avanturin [10]3 years ago
5 0

Answer:

a and c I'm 99percent shure

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You have 4 cards, 2 black and 2 red. You play a game where during each round you draw a card. If it's black, you lose a point. I
sineoko [7]

Answer: The expected value of this game is 2/3

Step-by-step explanation:

Give that

If it's black, you lose a point. If it's red, you gain a point. 

And then you can stop at any time. But you should never stop when you are losing because that can guarantee 0 by drawing all the cards.

Assuming you should stop after three cards when you are +2.

The only question is whether to draw if you are +1 on the first draw.

If you draw red first, You have 1/3 chance of drawing red again and this will give you +2 points

1/3 chance of drawing two blacks and earn zero point, chance of drawing black-red and earn +1. This gives +1, so it doesn't matter whether you draw or not.

From the beginning, If you draw red (probability 1/2 you end +1. If you draw black and then draw two reds (probability 1/6 you end +1) Otherwise you break even with probability 1/3. Overall, the value is 2/3

8 0
3 years ago
Help me out :) 15 points! Show work, and only answer if you know how to do it correctly.
Volgvan

Answer:

28

Step-by-step explanation:

First u have to find the bisector,then u have to descrese 18

8 0
3 years ago
A meal at a restaurant cost $34.50, before tip. You decide to leave the server an 18% tip. What is your total bill?
anastassius [24]
The tip is $6.21

with that being said, 34.50 + 6.21 = 40.71

the total cost is $40.71
3 0
3 years ago
When my cat likes to run around:
11111nata11111 [884]

Answer:

Step-by-step explanation:

5098

7 0
3 years ago
the parallelogram has area 216 Point 24 10 m squared and a height of 15.9 cm how long is the base of the parallelogram
kumpel [21]
Do 1/2 times it self then there u go
5 0
3 years ago
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