MATHEMATICS HIGH SCHOOL

A set of face cards contains 4 Jacks, 4 Queens, and 4 Kings. Carlie chooses a card from the set, records the type of card, and then replaces the card. She repeats this procedure a total of 60 times. Her results are shown in the table.How does the experimental probability of choosing a Queen compare with the theoretical probability of choosing a Queen?

The experimental probability is 4 less than the theoretical probability.
The experimental probability is 1/15 less than the theoretical probability.
The experimental probability is 1/15 more than the theoretical probability.
The experimental probability is 4 more than the theoretical probability.

Answers

Answer 1

Answer:

The experimental probability is 1/15 less than the theoretical probability.

Given

A set of face cards contains 4 Jacks, 4 Queens, and 4 Kings.

Carlie chooses a card from the set, records the type of card, and then replaces the card.

She repeats this procedure a total of 60 times. Her results are shown in the table.

What is experimental probability?

Theoretical probability describes how likely an event is to occur.

The theoretical probability of choosing a Queen is;

$\rm Theoretical\ probability= (Observed \ frequency)/(Probability \ of \ selecting \ Queen)\n\n Theoretical\ probability= (16)/(4)\n\n Theoretical\ probability= (4)/(1)$

What is experimental probability?

Experimental probability describes how frequently an event actually occurred in an experiment.

The experimental probability of choosing a Queen is;

$\rm Experimental \ probability = Relative \ frequency\n\nExperimental \ probability = (4)/(15)$

For comparing the theoretical and experimental probability of both equations.

$\rm =(Experimental \ probability)/(Theoretical \ probability)\n\n= ((4)/(15))/((4)/(1))\n\n= (4)/(15)* (1)/(4)\n\n= (1)/(15)$

Hence, the experimental probability is 1/15 less than the theoretical probability.

To know more about Experimentalprobability click the link given below.

brainly.com/question/3733849

Answer 2

Answer:

Answer:

the answer is b

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Answers

ok so it has to be max 4 inches when resized since the max size is 4 inches

10 is max of original so
they have to be shrunk in same ratio so find ratio of shrink
10 times ratio=4
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In a recent year a letter to Europe from United date cost $ 0.94 to mail a letter mailed within the United States cost $0.44 nancy mailed for $3.70 some to Rourke and some to United States how many letter did she send to europe

Answers

Answer: she mailed 3 letters to Europe

Step-by-step explanation:

Let x represent the number of letters that Nancy mailed to Europe.

Let y represent the number of letters that Nancy mailed to United States.

Nancy mailed 5 letters, some to Europe and some to the United States. This means that

x + y = 5

A letter mailed within the United States costs $0.44. A letter to Europe from United date cost $ 0.94 to mail. If the letters that Nancy mailed cost $3.70, then

0.94x + 0.44y = 3.7 - - - - - - - - - - - -1

Substituting x = 5 - y into equation 1, it becomes

0.94(5 - y) + 0.44y = 3.7

4.7 - 0.94y + 0.44y = 3.7

- 0.94y + 0.44y = 3.7 - 4.7

- 0.5y = - 1

y = - 1/ - 0.5 = 2

x = 5 - y = 5 - 2

x = 3

Can someone please help me ?

Answers

a + b = 1013;
a - b = 9;
2a = 1022 => a = 511; b = 502;

Alvin is 5 years younger than elsa. the sum of their ages is 93. what is elsas age

Answers

Answer:

Step-by-step explanation:

Given:

Alvin is 5 years younger than Elsa, and the sum of their ages is 93.

Let x represent Elsa's age, so Alvin's age would be x - 5 because he is 5 years younger.

x + x - 5 = 93

Add like terms.

2x - 5 = 93

Add 5 to both sides.

2x = 98

Divide both sides by 2.

x = 49

WILL GIVE BRAINLIESTTwo technicians are discussing front-wheel drive (FWD). Technician A says that the FWD pulls the weight, making it more suitable for lighter weight vehicles. Technician B says that it's much harder to push weight than to pull it. Who is right?

A only
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C. Neither A nor B
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Answers

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I would say technician B

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Answers

Answer:

SAS (Side Angle Side)

Step-by-step explanation:

It is SAS because both triangles are congruent due to 2 congruent sides and one congruent angle, thus being SAS.

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