anonymous
  • anonymous
Ben has a 40% chance of being selected as the president of the school sports club and a 70% chance of being elected editor of the school magazine. What is the probability that Ben will be selected as the president of the sports club and will also be elected editor of the school magazine? 0.3% 1.1% 14% 28%
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
@Vocaloid
Vocaloid
  • Vocaloid
multiply the probabilities together
anonymous
  • anonymous
40 x 70?

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anonymous
  • anonymous
@Vocaloid
Vocaloid
  • Vocaloid
0.40*0.70 = ?
anonymous
  • anonymous
i got 0.5714...
Vocaloid
  • Vocaloid
* means multiply....
anonymous
  • anonymous
oh! is it D?
Vocaloid
  • Vocaloid
0.40 * 0.70 = ?
anonymous
  • anonymous
0.28 :)
Vocaloid
  • Vocaloid
right, now multiply that by 100 and put a percent sign at the end
anonymous
  • anonymous
i got D :)
anonymous
  • anonymous
Maggie has 7 tiles with pictures of plants and 2 tiles with pictures of animals. Maggie keeps all the tiles on a mat with the pictures hidden and mixes them up. She then turns one tile face up and finds the picture of a plant on it. She removes this tile from the mat and turns over another tile without looking. What is the probability that the second tile that Maggie turns over has a plant on it? 22.2% 28.6% 65.0% 75.0%
Vocaloid
  • Vocaloid
well, we start off with 7 pictures of plants and 9 total tiles after she takes one plant away we have 6 plants and 8 total tiles so the probability of picking a plant = # of plants/# of total tiles = ?
anonymous
  • anonymous
6/8 which is 75%?
Vocaloid
  • Vocaloid
right.
anonymous
  • anonymous
Jason tossed a fair coin 3 times. What is the probability of getting a head and two tails in any order? 3 over 8 4 over 8 5 over 8 6 over 8
Vocaloid
  • Vocaloid
well there are 3 ways of getting a head and two tails HTT, THT, TTH and 8 total possibilities
Vocaloid
  • Vocaloid
so probability = ?
anonymous
  • anonymous
3/8 which is A?
Vocaloid
  • Vocaloid
right
anonymous
  • anonymous
Jason has two bags with 6 tiles each. The tiles in each bag are shown below: Make 6 squares. The squares are numbered sequentially from 1 to 6. Without looking, Jason draws a tile from the first bag and then a tile from the second bag. What is the probability of Jason drawing the tile numbered 2 from the first bag and the tile numbered 3 from the second bag? 1 over 36 1 over 12 2 over 12 2 over 6
anonymous
  • anonymous
@Vocaloid

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