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a bowl contains 15 chips numbered 1 to 15. if a chip is drawn randomly from bowl, what is the probability that even or divisible by 3,​

Sagot :

misspancitcanton

The probability that the number on the chip is even or divisible by 3 is ⅘ or 0.8 or 80%. Remember that you can express the probability in three ways. It can be in fraction form, decimal form (numerator ÷ denominator), or percent form (decimal × 100%).

Step-by-step explanation:

Probability Word Problem

The problem is asking for the probability that the number on the chip is even or divisible by 3. There are three steps to find the answer.

  1. Find the probability that the number on the chip is an even number.
  2. Find the probability that the number on the chip is divisible by 3.
  3. Add their probabilities.

Formula:

Probability = the number of events to happen / the total number of possible outcomes

Solution:

Step 1: Even Number

The number of events to happen is 7 since there are seven even numbers (2, 4, 6, 8, 10, 12, 14). The total number of possible outcomes is 15 since there fifteen numbers in total.

Probability:

Fraction Form - ‌7⁄15‌

Decimal Form - 7 ÷ 15 = 0.47

Percent Form - 0.47 × 100% = 47%

Step 2: Divisible by 3

The number of events to happen is 5 since five numbers are divisible by 3 (3, 6, 9, 12, 15). The total number of possible outcomes is 15 since there fifteen numbers in total.

Probability:

Fraction Form - 5⁄15‌

Decimal Form - 5 ÷ 15 = 0.33

Percent Form - 0.33 × 100% = 33%

Step 3. Add

Remember that you would add probabilities if you want to find out if one event or another could happen. Commonly, the word “or”, that means you need to add the probabilities

7⁄15‌ + 5⁄15‌ = 12⁄15‌ or 4⁄5‌

Probability:

Fraction Form - 4⁄5‌

Decimal Form - 4 ÷ 5 = 0.8

Percent Form - 0.8 × 100% = 80%

To learn more examples of probability problems, visit the links.

brainly.ph/question/2058361

brainly.ph/question/2110202

brainly.ph/question/1472769

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