Question

Imagine you have a classmate who has never had an introduction to statistics in a math course. Explain to that person how the probability of selecting a red tile is determined. Use complete

Answer 1

Answer:

Probability of selecting red tile out of a box containing 3 red,2 white & 5 black tiles = 3/10 = 0.3

Step-by-step explanation:

Probability is the calculation of likelihood of an event.

It can be calculated by Formula : Favourable outcome / Total Outcomes

Example : If a box contain 3 red tiles, 2 white tiles, 5 black tiles

Prob (selecting a red tile) = Favourable outcome (red tiles) / Total Outcomes (total tiles) = 3 / 10 = 0.3

Similarly, prob (white tile) & prob (black tile) = 2/10 ie 0.2 & 5/10 ie 0.5 respectively

Answer 2

Probabilities are used to determine the chances of events.

To determine the probability of selecting a red tile, we start by:

• Get the number of red tiles
• The total number of tiles

Then divide the number of red tiles by the total number of tiles.

Take for instance, there are 15 red tiles in a total of 60 tiles, then the probability of selecting a red tile is:

$Pr = \frac{15}{60}$

Divide 15 by 60

$Pr = 0.25$

Hence, the probability of selecting a red tile for the given values is 0.25

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