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ICE Princess25 [194]
3 years ago
5

If you flip three fair coins, what is the probability that you'll get two tailed and one head in any order

Mathematics
2 answers:
Scrat [10]3 years ago
6 0
Sample space = HHH, HHT, HTH, THH, TTT, TTH, THT, HTT   (8 possibilities)

Desirable outcomes = TTH, THT, TTH   (3 possibilities)

Required probability = 3/8
Gnesinka [82]3 years ago
3 0

Answer:

3/8

Step-by-step explanation:

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Three dice are rolled. Let the random variable x represent the sum of the 3 dice. By assuming that each of the 63 possible outco
tamaranim1 [39]
<h3>Answer:  1/8</h3>

In decimal form, 1/8 = 0.125 which converts to 12.5%

==================================================

Work Shown:

The 63 should be 6^3. There are 6 choices per slot, and 3 slots, so 6^3 = 216 different outcomes.

Here are all of the ways to add to 11 if we had 3 dice

  1. sum = 1+4+6 = 11
  2. sum = 1+5+5 = 11
  3. sum = 1+6+4 = 11
  4. sum = 2+3+6 = 11
  5. sum = 2+4+5 = 11
  6. sum = 2+5+4 = 11
  7. sum = 2+6+3 = 11
  8. sum = 3+2+6 = 11
  9. sum = 3+3+5 = 11
  10. sum = 3+4+4 = 11
  11. sum = 3+5+3 = 11
  12. sum = 3+6+2 = 11
  13. sum = 4+1+6 = 11
  14. sum = 4+2+5 = 11
  15. sum = 4+3+4 = 11
  16. sum = 4+4+3 = 11
  17. sum = 4+5+2 = 11
  18. sum = 4+6+1 = 11
  19. sum = 5+1+5 = 11
  20. sum = 5+2+4 = 11
  21. sum = 5+3+3 = 11
  22. sum = 5+4+2 = 11
  23. sum = 5+5+1 = 11
  24. sum = 6+1+4 = 11
  25. sum = 6+2+3 = 11
  26. sum = 6+3+2 = 11
  27. sum = 6+4+1 = 11

There are 27 ways to add to 11  using 3 dice. This is out of 216 total outcomes of 3 dice being rolled.

So, 27/216 = (1*27)/(8*27) = 1/8 is the probability of getting 3 dice to add to 11.

7 0
3 years ago
Find the slope of the line that passes through (-5,-6), (-14,10)
Nostrana [21]

Answer:

m=-\frac{4}{3}

Step-by-step explanation:

<u>Formula</u>

m=\frac{rise}{run}=\frac{y_{2}-y_{1} }{x_{2}-x_{1}}

<u>Solve</u>

<u />m=\frac{10+6}{-14+5}=\frac{16}{-9}=-\frac{4}{3}<u />

7 0
3 years ago
Read 2 more answers
The surface area of the prism is ______ square units. All measurements in the image below are in units. (Input whole number only
Leni [432]
The surface are of the shape is 251.5 units (sorry if that is wrong)

6 0
3 years ago
Read 2 more answers
If there are 1,760 yards in 1 mile, how many yards are in 2.5 miles?
Karolina [17]

Answer:

4400 Yards

Step-by-step explanation:

Divide 1760 to get how many yards are in half of a mile

Take the number of yards in one mile and double that and then add the number in half of a mile

8 0
3 years ago
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Tanisha has 3 1/4 feet of pink ribbon and 1 3/4 feet of yellow ribbon. How much more pink ribbon does Tanisha have than yellow r
tangare [24]

Answer: 2 1/2’ more pink then yellow

Step-by-step explanation:

7 0
3 years ago
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