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murzikaleks [220]
2 years ago
14

A number cube is rolled and a coin is flipped, predict how many times you would get heads and a number less than 3 in 240 trials

:
A.60
B.40
C.30
D.20
Mathematics
2 answers:
charle [14.2K]2 years ago
8 0
Your answer would be B.40
Varvara68 [4.7K]2 years ago
3 0
D.20 TIMES U CAN GET HEADS
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soldi70 [24.7K]
Well if three of them end up with the same lunch box and there are only 4 total lunch boxes, then that means all of them would get their original lunchbox.

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So it’s 1/4*1/4*1/4*1/4 and that equals to 1/256.

So there is a 1/256 chance that they will end up with their original lunch box.

Hope this helps!
6 0
3 years ago
The temperature on a winter night was -24
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3 years ago
HELP FAST!! 30 POINTS
dezoksy [38]

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6 0
1 year ago
Read 2 more answers
Which number best represents the probability that an event is unlikely to occur?
Colt1911 [192]

Answer:

D: 0.05

Step-by-step explanation:

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4 0
3 years ago
In a standard deck of cards there 52 cards of which 26 are black and 26 are red. Additionally, there are 4 suits, hearts, clubs,
stich3 [128]

Using probability concepts, it is found that P(S and D) = 0.1275.

-----------------------

  • A probability is the <u>number of desired outcomes divided by the number of desired outcomes</u>.
  • In a standard deck, there are 52 cards.
  • Of those, 13 are spades, and 13 are diamond.

  • The probability of selecting a spade with the first card is 13/52. Then, there is a 13/51 probability of selecting a diamond with the second. The same is valid for diamond then space, which means that the probability is multiplied by 2. Thus, the desired probability is:

P(S \cap D) = 2 \times \frac{13}{52} \times \frac{13}{51} = \frac{2\times 13 \times 13}{52 \times 51} = 0.1275

Thus, P(S and D) = 0.1275.

A similar problem is given at brainly.com/question/12873219

7 0
2 years ago
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