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Harrizon [31]
2 years ago
6

Macy rolls a fair eight sided die with sides numbered from 1 to 8. Then from a box, she draws a numbered slip of paper. The slip

s of paper have numbers shown below.
1,2,5,7,8
Finally, she calculates the sum of her results.
Select all the true statements.
1.)A sum equal to 8 is the result 20 times in 80 rounds. This suggests the game is unfair.
2.)The probability of getting a sum that is a multiple of 3 is 3/8
3.) The probability of getting a sum that is even is 1/2.
4.) The probability of getting a sum that is greater than or equal to 12 is 11/40.
5.) The probability of getting a sum that is less than 10 is 21/40
There can be multiple answers
Mathematics
2 answers:
mars1129 [50]2 years ago
8 0

Answer:

chice 3 and 4

Step-by-step explanation:

Lady bird [3.3K]2 years ago
7 0

Answer:

Solution given:3.) The probability of getting a sum that is even is 1/2.

4.) The probability of getting a sum that is greater than or equal to 12 is 11/40

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Answer:

A: (-3, 1.5)

Step-by-step explanation:

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The midpoint coordinates are the average of the two end point coordinates. Add them up and divide by 2.

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3 years ago
Ron bought 40 pen sets and sold 25. This year he bought 75 pen sets and sold 60. The absolute error each year was the same. Are
Alja [10]

Absolute error is defined as the magnitude of the difference between the exact value and the approximation.

Here both the times, the error is 15.

40-25=15 and 75-60=15

No, the percent error is not same because the exact values are different and hence, the percent error is different.

Percent error value in 1st case is :

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error percent is= \frac{15}{40}\times100=37.5%

Percent error value in 2nd case:

75-60=15

error percent is=\frac{15}{75}\times100=20%


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3 years ago
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3 years ago
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-1 + 6(-1 - 3x) &gt; -39 - 2x.<br> -<br> A.X&lt;2<br> B. x &lt; 3<br> C. x &lt;-3<br> D. x &lt; -10
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Answer:

x < 2

Step-by-step explanation:

→ Expand out brackets

-1 - 6 - 18x > -39 - 2x

→ Simplify

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→ Add -7 to both sides

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→ Add -2x to both sides

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