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MAXImum [283]
3 years ago
13

Tom says that he needs 6 rolls to obtain each possible outcome on a 6-sided die. On the fourth roll, he rolls his second "3". To

m says that the die is loaded and that each outcome is not equally likely. Is Tom correct here? If you think Tom is incorrect, how many rolls should Tom make until he sees each number occurring about 1/6 of the time?
Mathematics
2 answers:
Mumz [18]3 years ago
7 0

Answer with explanation:

Number of Possible Outcome when you roll a 6 faced die ={1,2,3,4,5,6}

 Probability of each Outcome

     =\frac{1}{6}

Tom's Statement

1.→He Says that, he needs 6 rolls to obtain each possible outcome on a 6-sided die.

2.→On the fourth roll, he rolls his second "3".

3.→Tom says that the die is loaded and that each outcome is not equally likely.

→All the three statements are Incorrect.As the number of trials increases , the chances of occuring of each event equally increases.

→Number of rolls should Tom make until he sees each number occurring about \frac{1}{6} of the time approximately

                 \geq 6^6

Anna11 [10]3 years ago
3 0

Answer:

Tom is incorrect

Step-by-step explanation:

The odds of getting any number on a 6-sided die are 1:6

Every time he rolls, there is a 1:6 chance he gets any number.  Therefore, it is totally plausible to get the same number again.  As the number of rolls tends toward infinity, the ratio of each number occurring to number of rolls equals 1:6.  

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12 times a number decreased by 5 is no more than 55
lions [1.4K]

Answer:

  12n -5 ≤ 55

Step-by-step explanation:

12 times a number (represented by n) is 12n.

"Decreased by 5" means 5 is subtracted from the product, giving 12n-5.

"Is no more than 55" means "is less than or equal to 55".

Then the expression written using math symbols is ...

  12n -5 ≤ 55

6 0
2 years ago
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In a right triangle, one leg is 20 cm and the hypotenuse is 30 cm. To the nearest hundredth of a cm, find the length of the miss
max2010maxim [7]

Answer:

Step-by-step explanation:

Use Pythagoras’ theorem

square of hypotenuse = sum of squares of two other sides

let the missing side be d

30^2 = 20^2 + d^2

600 = 400 + d^2

d^2 = 200

d = square root of 200

d = 14.142 cm

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3 years ago
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Convert 6.3 meters to millimeters. <br> 0.0063 mm <br> 63 mm <br> 6,300 mm<br> 630 mm
Fynjy0 [20]
6.3 x 1000 - 6,300 mm
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3 years ago
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A 5-meter ladder is leaning against the side of a house. The foot of the ladder is pulled away from the house at a rate of 0.4 m
Flura [38]
<h2>The top of the ladder is descending at 0.3 m/s.</h2>

Step-by-step explanation:

By Pythagoras theorem we know that

              Hypotenuse² = Base² + Perpendicular²

                   h² = b² + p²

We have for ladder

                        h = 5 m

                        b = 3 m

                        5² = 3² + p²

                        p = 4 m

                        \frac{db}{dt}=0.4m/s\\\\\frac{dh}{dt}=0

Differentiating h² = b² + p² with respect to time

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The top of the ladder is descending at 0.3 m/s.

3 0
3 years ago
Which algebraic expression represents “the quotient of a number and thirty”?
Anestetic [448]

Answer: 30/a

Step-by-step explanation:

Quotient means to divide. So the quotient of 30 and another number would be 30/a

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