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4 years ago

11

Suppose you rolled a twelve-sided number cube instead of a standard six-sided one. How would the probability of these events cha

nge?
The theoretical probability of landing on a star space on your first roll__.

The theoretical probability of not landing on a question mark on your first roll__.

The theoretical probability of reaching the end space on your first roll__.

2 answers:

serious [3.7K]4 years ago

6 0

Answer:

1. Decreases

2.Increases

3.Does not change

Step-by-step explanation:

I just got the answer right

BlackZzzverrR [31]4 years ago

5 0

Answer:

Decrease

Increase

Does not change

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Consider a sample with data values of 27, 24, 21, 16, 30, 33, 28, and 24. Compute the 20th, 25th, 65th, and 75th percentiles. 20

densk [106]

Answer:

$P_{20} = 20$ --- 20th percentile

$P_{25} = 21.75$ --- 25th percentile

$P_{65} = 27.85$ --- 65th percentile

$P_{75} = 29.5$ --- 75th percentile

Step-by-step explanation:

Given

27, 24, 21, 16, 30, 33, 28, and 24.

N = 8

First, arrange the data in ascending order:

Arranged data: 16, 21, 24, 24, 27, 28, 30, 33

Solving (a): The 20th percentile

This is calculated as:

$P_{20} = 20 * \frac{N +1}{100}$

$P_{20} = 20 * \frac{8 +1}{100}$

$P_{20} = 20 * \frac{9}{100}$

$P_{20} = \frac{20 * 9}{100}$

$P_{20} = \frac{180}{100}$

$P_{20} = 1.8th\ item$

This is then calculated as:

$P_{20} = 1st\ Item +0.8(2nd\ Item - 1st\ Item)$

$P_{20} = 16 + 0.8*(21 - 16)$

$P_{20} = 16 + 0.8*5$

$P_{20} = 16 + 4$

$P_{20} = 20$

Solving (b): The 25th percentile

This is calculated as:

$P_{25} = 25 * \frac{N +1}{100}$

$P_{25} = 25 * \frac{8 +1}{100}$

$P_{25} = 25 * \frac{9}{100}$

$P_{25} = \frac{25 * 9}{100}$

$P_{25} = \frac{225}{100}$

$P_{25} = 2.25\ th$

This is then calculated as:

$P_{25} = 2nd\ item + 0.25(3rd\ item-2nd\ item)$

$P_{25} = 21 + 0.25(24-21)$

$P_{25} = 21 + 0.25(3)$

$P_{25} = 21 + 0.75$

$P_{25} = 21.75$

Solving (c): The 65th percentile

This is calculated as:

$P_{65} = 65 * \frac{N +1}{100}$

$P_{65} = 65 * \frac{8 +1}{100}$

$P_{65} = 65 * \frac{9}{100}$

$P_{65} = \frac{65 * 9}{100}$

$P_{65} = \frac{585}{100}$

$P_{65} = 5.85\th$

This is then calculated as:

$P_{65} = 5th + 0.85(6th - 5th)$

$P_{65} = 27 + 0.85(28 - 27)$

$P_{65} = 27 + 0.85(1)$

$P_{65} = 27 + 0.85$

$P_{65} = 27.85$

Solving (d): The 75th percentile

This is calculated as:

$P_{75} = 75 * \frac{N +1}{100}$

$P_{75} = 75 * \frac{8 +1}{100}$

$P_{75} = 75 * \frac{9}{100}$

$P_{75} = \frac{75 * 9}{100}$

$P_{75} = \frac{675}{100}$

$P_{75} = 6.75th$

This is then calculated as:

$P_{75} = 6th + 0.75(7th - 6th)$

$P_{75} = 28 + 0.75(30- 28)$

$P_{75} = 28 + 0.75(2)$

$P_{75} = 28 + 1.5$

$P_{75} = 29.5$

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3 years ago

Please help me due in the morning please help

MrMuchimi

The answer is going to be H because if you plug in x from the table it will give you y.

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3 years ago

Which of the following is the correct SI unit to use in measuring the mass of a boulder. Please help!!

LenKa [72]

For this case, the first thing you should know is the meaning of the acronym S.I.

S.I .: International system

The unit for the mass of any object in the international system is:

m: [kilograms]

Therefore, the unit of measurement of the mass of a boulder is kilograms.

Answer:

the correct SI unit to use in measuring the mass of a boulder is:

C. kilograms

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3 years ago

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What is 3divided by 434

NeX [460]

434÷3≠ 144.66 That is the answer using calculator.

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3 years ago

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Solve for F.<br> 3(6-f)-4=3f-4

Alinara [238K]

Answer:

F=3

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

3(6−f)−4=3f−4

(3)(6)+(3)(−f)+−4=3f+−4(Distribute)

18+−3f+−4=3f+−4

(−3f)+(18+−4)=3f−4(Combine Like Terms)

−3f+14=3f−4

−3f+14=3f−4

Step 2: Subtract 3f from both sides.

−3f+14−3f=3f−4−3f

−6f+14=−4

Step 3: Subtract 14 from both sides.

−6f+14−14=−4−14

−6f=−18

Step 4: Divide both sides by -6.

−6f−6=−18−6f=3

Answer:

f=3

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3 years ago