A bag contains 6 red tiles, 8 blue tiles, and 6 green tiles. A tile is drawn, the color recorded, and then the tile placed back in the bag before a tile is drawn again. if this procedure is done 30 times, how many red tiles would you expect to draw?
6/(6+8+6) * 30 = 9
The floor tiles come In red, blue and black, There are 16 red, 5 blue and 4 black. What percent of the tiles are black
To calculate the expected number of red tiles drawn, we need to find the probability of drawing a red tile on each draw and multiply it by the total number of draws.
Step 1: Find the probability of drawing a red tile.
The total number of tiles in the bag is 6 red + 8 blue + 6 green = 20.
The probability of drawing a red tile is 6 red / 20 total = 0.3 or 30%.
Step 2: Multiply the probability by the total number of draws.
We want to find the expected number of red tiles drawn out of 30 draws.
Expected number of red tiles = Probability of drawing a red tile * Total number of draws
Expected number of red tiles = 0.3 * 30 = 9
Therefore, you would expect to draw 9 red tiles out of 30 draws.
To find out how many red tiles you would expect to draw, you need to calculate the probability of drawing a red tile and multiply it by the total number of draws.
Step 1: Calculate the probability of drawing a red tile.
The probability of drawing a red tile can be found by dividing the number of red tiles by the total number of tiles in the bag.
Probability of drawing a red tile = Number of red tiles / Total number of tiles
In this case, there are 6 red tiles and a total of (6 + 8 + 6) = 20 tiles in the bag.
Probability of drawing a red tile = 6 / 20 = 0.3 or 30%
Step 2: Multiply the probability by the total number of draws.
Since the drawing is done 30 times, you need to multiply the probability by 30.
Expected number of red tiles = Probability of drawing a red tile * Total number of draws
Expected number of red tiles = 0.3 * 30 = 9
Therefore, you would expect to draw 9 red tiles.