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kotegsom [21]
3 years ago
14

In the game of SCRABBLE, you select letters from the group in the pot that are not already on the board or in your hand or someo

ne else's. This would be sampling letters without replacement. Suppose that instead of doing this, you select a letter from the pot, write it down, and then return it to the pot. In other words, suppose you sample letters with replacement. Every time you select a new letter, you write it down next to the letter you drew previously. Because you are sampling the pot with replacement, each draw of a letter Is an independent event such that the Multiplication Rule for Independent Events applies. Select a letter, write it down, and return the letter to the pot. Do this three times. When you reach into the pot to select your letters, your result is based on a simulation. In a simulation, random events are modeled in such a way that the simulated outcomes closely match real-world outcomes. In this simulation, your result is simulated based on the frequency distribution of SCRABBLE letters. Before selecting your tiles, what is the probability that your selection (in order) spells the word "toy" (without the use of the blank tile as a wild card)? Give your answer to six decimal places. P(toy) = Based on the preceding probability, you to spell the word under consideration.
Mathematics
1 answer:
ra1l [238]3 years ago
8 0
333333333.3333333462804098816544788183775829905887615527590500299873666178495950918764647003852
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X + y = -1<br> X - y = 7
enyata [817]
1: Solve for either x or y in one of the equations. So x + y = -1 is y = -x -1
2: substitute the new equation in the opposite equation. So x - (-x - 1) = 7
3: distribute the negative. X + x + 1 = 7
4: combine like terms. 2x + 1 = 7
5: solve for x. Subtract 1 on both sides. 2x = 6
6: divide by 2 to get x by itself. X = 3
7: plug the new value of x into one of the ORIGINAL equations. 3 + y = -1
8: solve for y. Subtract 3 on both sides.
Y = -4
9: the solution is written as (x,y) so the solution would be (3, -4)
4 0
3 years ago
Gerardo works at an ice cream shop each flavor of ice cream is stored in a right cylindrical tub that measures approximately 9 i
Leokris [45]

Answer:

Volume left = 404.32 cubic inches

Step-by-step explanation:

volume of a cylinder = \pir^{2}h

volume of ice cream in the cylindrical tub = \frac{22}{7} x 5^{2} x 9

                                           = \frac{22}{7} x 25 x 9

                                           = 707.1429

Volume of ice cream in the cylindrical tub is 707.14 cubic inches.

The ice cream scoop has a spherical volume, so that;

volume of a sphere = \frac{4}{3}\pir^{3}

r = \frac{2.5}{2}

 = \frac{5}{4} inches

volume of the scoop = \frac{4}{3} x \frac{22}{7} x (\frac{5}{4} )^{3}

                                  = \frac{4}{3} x \frac{22}{7} x \frac{125}{64}

                                  = 8.1845

volume of the scoop is 8.19 cubic inches.

If he scoops 37 scoops,

volume of the 37 scoops = 37 x 8.1845

                                          = 302.8265

volume of 37 scoops is 302.83 cubic inches.

Volume of ice cream left in the tub = 707.1429 - 302.8265

                                                           = 404.3164

Volume of ice cream left in the tub is 404.32 cubic inches.

7 0
3 years ago
Alex skipped a jump rope 50 times every minute as shown by this table. x equals the number of minutes, and y equals the
KIM [24]

Answer:

Y = 50x

Since every minute he jumps 50 times, we multiply 50 by the amount of minutes (x)

6 0
2 years ago
Jack is organizing his shots he has 20 pair of socks there are seven pair of black socks eight pair of blue socks and the rest o
katovenus [111]
20 - 7 = 13

8 - 13 = 5

13 + 5 = 18

20 - 18 = 2

So two is your answer because.....

13 + 5 + 2 = 20
8 0
3 years ago
At Snack Shack, drinks cost $1.50. Write an expression that could be used to find the total cost in dollars of d drinks.
Amiraneli [1.4K]

Answer:

1.50d=total

Step-by-step explanation:

hope it's right

6 0
3 years ago
Read 2 more answers
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