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fiasKO [112]
3 years ago
12

What is the probability that a whole number between 1 and 12, selected at

Mathematics
1 answer:
olga2289 [7]3 years ago
7 0
First, find multiples of 2 and 3 in 1-12
2,3,4,6,8,9,10,12
8 out of 12 are a multiple of 2 or 3
8/12
reduce
2/3 is the probability

Hope i help! plz give brainliest if possible
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Type the correct answer in each box. If necessary, use /for the fraction bars
Vikentia [17]

Answer:

The experimental probability of rolling an odd number is 60%, which is 10% more than the theoretical probability.

Step-by-step explanation:

The complete question is:

Type the correct answer in each box. Use numerals instead of words. If necessary, use/ for the fraction bar(s).

A special 8-sided die is marked with the numbers 1 to 8. It is rolled 20 times with these outcomes.

3, 4, 5, 2, 7, 1, 3, 7, 2, 6, 2, 1, 7, 3, 6, 1, 8, 3, 5, 6

The experimental probability of rolling an odd number is _%, which is _% more than the theoretical probability.

Solution:

The possible outcomes of rolling an 8-sided die are:

S = {1, 2, 3, 4, 5, 6, 7, 8}

The odd numbers are:

Odd = {1, 3, 5, 7} = 4 outcomes

The theoretical probability of rolling an odd number is:

P_{T}(\text{Odd})=\farc{4}{8}=\frac{1}{2}=50\%

Now from the given 20 outcomes the odd values are:

Odd = {3, 5, 7, 1, 3, 7, 1, 7, 3, 1, 3, 5} = 12 outcomes

Compute the experimental probability of rolling an odd number as follows:

P_{E}(\text{Odd})=\frac{12}{20}=\frac{3}{5}=60\%

Thus, the experimental probability of rolling an odd number is 60%, which is 10% more than the theoretical probability.

6 0
3 years ago
Please help me id really appreciate it
loris [4]

Answer:

Step-by-step explanation:

1. 2/5

2. 9/20

3. 0.43

4. 40.2%

5. 42%

6. 0.403

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~`

I truely hope this is right & i hope this helps you ! <3

5 0
3 years ago
Describe two methods to solve 3x4/5
Kazeer [188]

Answer:

the result would be 12

Step-by-step explanation:

(4 + 5) / 3 * 4 =9 / 3 * 4=3 * 4 = 12

7 0
3 years ago
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8 0
4 years ago
William pays $150 every four months for karate lessons. Harold pays $120 every three months for karate lessons. At this rate, ho
Naddik [55]

Answer:

37.50$

take williams and divide it by the 4 months

Step-by-step explanation:

4 0
3 years ago
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