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ExtremeBDS [4]
3 years ago
15

A person rolled a dice 6000 times and the number '5' occurs 990 times. On the basis of this outcome, she claims that the probabi

lity that '5' shows up on the dice is 990/6000. Is this an example of an empirical probability or a theoretical probability
Mathematics
1 answer:
REY [17]3 years ago
3 0

Answer:

Empirical probability

Step-by-step explanation:

An empirical probability also known as experimental probability is the ratio of the number of outcomes in a trial/experiment of a specific event to the total number of trials.

Theoretical probability is probability based on reasoning not experiment.

Since an experiment was carried out 6000 times to determine the number of times 5 shows up, its an empirical probability.

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What is the simplified form of the quantity y-squared plus 7y plus 12 over the quantity y-squared plus 8y plus 15
Burka [1]
Firstly, let's factorise each equation individually - to do this, find 2 numbers that when summed add to the value of the second term, and when multiplied give the value of the third term.

7 and 12 give us 4 and 3 (4+3=7, 4*3=12) -- 8 and 15 give us 5 and 3 (5+3=8, 5*3=15)

Now we can rewrite these equations as (y+4)(y+3) and (y+5)(y+3) respectively.

Putting this in a fraction: (y+4)(y+3)/(y+5)(y+3) -- We can clearly see that there is a y+3 on both sides of the fraction, and given there are no terms outside of the brackets being multiplied, we can directly cancel.

This gives us our final answer:
(y+4)/(y+5)
8 0
3 years ago
I need help i dont get this
JulijaS [17]
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7 0
3 years ago
What is the area of the shape below
Tems11 [23]

8cm, since 6 full squares and 4 halves

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7 0
2 years ago
22. Solve 7x - 9 = 28+ 4(x - 1).<br> X=-3<br> X=3<br> x = 11<br> X=-11​
aleksley [76]

Answer:

c) x = 11

Step-by-step explanation:

Given equation: 7x - 9 = 28 + 4(x - 1)

<u><em>Steps:</em></u>

1. Distribute 4 through the parentheses:

7x - 9 = 28 + 4(x) + 4(-1)

7x - 9 = 28 + 4x - 4 [simplify]

7x - 9 = 24 + 4x

2. Subtract 4x from both sides:

7x - 4x - 9 = 24 + 4x - 4x

3x - 9 = 24

3. Add 9 to both sides:

3x - 9 + 9 = 24 + 9

3x = 33

4. Divide both sides by 3:

3x ÷ 3 = 33 ÷ 3

x = 11

5. Check your work:

7x - 9 = 28 + 4(x - 1) [substitute 11 for x]

7(11) - 9 = 28 + 4(11 - 1) [simplify]

77 - 9 = 28 + 4(10) [simplify]

68 = 28 + 40 [add]

68 = 68 ✔

Learn more here:

brainly.com/question/27844321

brainly.com/question/21222758

7 0
2 years ago
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Zoe is purchasing a birthday card for a relative. After shopping at four other stores, Zoe purchases the card at Gifts and More.
Aleksandr [31]

Answer:

It's A.

Step-by-step explanation:

I hope this answers your question correctly!

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3 years ago
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