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Mamont248 [21]
3 years ago
10

In a​ survey, 400 people were asked to choose one card out of five cards labeled 1 to 5. The results are shown in the table. Com

pare the theoretical probability and experimental probability of choosing a card with the number 3.
Number 1 2 3 4 5
Frequency 32 96 128 112 32
Mathematics
2 answers:
-BARSIC- [3]3 years ago
6 0

Answer:

The value of the experimental probability is greater

Step-by-step explanation:

For the theoretical probability;

the probability that a card with the number 3 is selected is 1/5

We consider that the probabilities of each selection are equal, for the theoretical probability

For the experimental, we simply place the frequency of the selection 3 over the total

that will be 128/400 = 8/25

As we know that 8/25 is greater than 1/5

We can conclude that the value of the experimental probability is greater than that of the theoretical

konstantin123 [22]3 years ago
3 0

Answer:

I hate math

Step-by-step explanation:

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Kruka [31]

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f(-1) = 2(-1)² - 8(-1) + 6 = 16

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f(1) = 2(1)² - 8(1) + 6 = 0

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2 years ago
What is the length of the third side, in inches, of the triangle below?
vlada-n [284]
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7 0
3 years ago
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Use the number set to answer the question.
Fantom [35]

Answer:

7

Step-by-step explanation:

The median is the middle value of the data set arranged in ascending order.

If there is no exact value then it is the average of the values either side of the middle.

Arrange the data in ascending order

1, 4, 6, 8, 8, 9

The middle is between 6 and 8, thus

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8 0
3 years ago
If pentagon OPQRS is dilated by a scale factor of seven over four from the origin to create O'P'Q'R'S', what is the ordered pair
Mariulka [41]

Answer:

The ordered pair of P'=(-8.75, 5.25)

Step-by-step explanation:

To get the ordered pair of point P' you simply have to multiply the coordinates of P by scale factor of 7/4

P:(-5,3)

P'(x,y)= (-5* 7/4, 3*7/4)

P'(x,y) = (-35/4 , 21/4)

P'(x,y) = (-8.75, 5.25)..

Thus the ordered pair of P'=(-8.75, 5.25)....

5 0
3 years ago
-11b>55 plz can someone help me
skelet666 [1.2K]
I think this is right

-11 > 55

You divide both sides by -11
8 0
3 years ago
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