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anygoal [31]
3 years ago
10

identify the following probability as theoretical or empirical. After tossing the same coin 10 times, you are surprised to find

that tails has come up 8 times. You therefore conclude that this coin is not fair and that the probability of getting tails with this coin is 0.80. A. Empirical B. Theoretical
Mathematics
2 answers:
ICE Princess25 [194]3 years ago
3 0
The answer is B Theoretical
SCORPION-xisa [38]3 years ago
3 0

Answer:

A. Empirical

Step-by-step explanation:

Theoretical probability is defined as a probability which is based on reasoning. This is written in a ratio form - of the number of favorable outcomes to the number of possible outcomes.

And the empirical probability gives an estimation of an event occurring based on how often that event occurred after collecting the data from large number of trials.

So, based on the definitions, the given scenario is empirical or experimental probability.

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An artist used silver wire to make a square that has a perimeter of 40 inches. She then used copper wire to make the largest cir
finlep [7]

Answer:

The area of the copper circle is <u>31.4 inches</u>.

Step-by-step explanation:

Given:

An artist used silver wire to make a square that has a perimeter of 40 inches.

She then used copper wire to make the largest circle that could fit in the square, with perimeter of 40 inches.

Use 3.14 to represent π.

Now, to find the area of the copper circle.

Perimeter of square = 40 inches.

So, we get the side of square by putting formula:

Perimeter=4\times side

40=4\times side

Dividing both sides by 4 we get:

10=side.

Side=10\ inches.

Now, as the side of square is 10 inches it is the diameter of the circle as the square is fit inside the circle:

For getting the area of circle we find the radius:

Radius (r) = \frac{Diameter}{2} \\=\frac{10}{2}= 5\ inches.

Now, putting the formula to get the area of the circle:

Area=2\times \pi \times r

Area=2\times 3.14\times 5

Area=31.4\ inches.

Therefore, the area of the copper circle is 31.4 inches.

6 0
3 years ago
- slope = 2/7 ; y-intercept = 0​
Yuri [45]

Answer:

y=2/7x

Step-by-step explanation:

y=mx+b where m=slope and b=y-intercept,

y=2/7x+0

y=2/7x

4 0
4 years ago
Which set of numbers could represent the lengths of the sides of a right triangle? 16, 32, 36 5, 12, 13 6, 7, 8 8, 12, 16
Elden [556K]

5,12,13

5X5=25

12X12=144

25+144=169

answer: square root 169=13

6 0
4 years ago
How many outcomes are there if you roll two dice with side sides
Valentin [98]
36 different outcomes.

6 x 6 = 36

Each side of dice 1 could have a counter match of 6 possibilities x 6
8 0
3 years ago
Read 2 more answers
Can you help out on this please​
kari74 [83]

Answer:

B

Step-by-step explanation:

Given

9² × (\frac{1}{3} )² - 9

= 81 × \frac{1}{9} - 9 ← cancel 81 and 9 by 9 leaving

= 9 - 9

= 0 → B

4 0
3 years ago
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