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Black_prince [1.1K]
3 years ago
13

Definition of classic probability

Mathematics
1 answer:
12345 [234]3 years ago
7 0
Classical probability is the statistical concept that measures the likelihood of something happening, but in aclassic sense, it also means that every statistical experiment will contain elements that are equally likely to happen.
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According to the National Oceanic and Atmospheric Administration, the blue whale is the largest animal on Earth. Blue whales wei
Ugo [173]

Answer:

According to the passage, whales weight 300,000 pounds on average. Narwhales weigh 2,000 pounds on average.

Step-by-step explanation:

Since the question is extremely vague, I'll just answer what's the weight of whales and the weight of narwhals.

According to the paragraph, blue whales weigh 3×10^{5} pounds.

This is what we call scientific notation. You could solve it normally, or you could use a faster method.

Scientific notation states that the first number that you see, the three, is the first part of the answer. The exponent on the number of zero's that there is.

That means that the answer to 3×10^{5} you get 300,000.

Let's do the same thing to Narwhales.

2×10^{3} is 2,000.

5 0
2 years ago
A company interested in lumbering rights for a certain tract of slash pine trees is told that the mean diameter of these trees i
brilliants [131]

Answer:

97.6% of the trees will have diameters between 7.6 and 18.6 inches.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 12 inches

Standard Deviation, σ = 2.2 inches

We are given that the distribution of diameter of tree is a mound shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

P(diameters between 7.6 and 18.6 inches)

P(7.6 \leq x \leq 18.6) = P(\displaystyle\frac{7.6 - 12}{2.2} \leq z \leq \displaystyle\frac{18.6-12}{2.2}) = P(-2 \leq z \leq 3)\\\\= P(z \leq 3) - P(z < -2)\\= 0.999 - 0.023 = 0.976= 97.6\%

P(7.6 \leq x \leq 18.6) = 97.6\%

97.6% of the trees will have diameters between 7.6 and 18.6 inches.

8 0
3 years ago
The county fair is in town. The cost is $10 for admission and 50 cents for each ride.
STatiana [176]

Answer:

A.

Step-by-step explanation:

For every ride you, pay an extra 50 cents with a 10 dollars for admission

8 0
3 years ago
Read 2 more answers
Make v the subject of the relation KE = ½mv²
Irina18 [472]

Answer:

v=\sqrt{\frac{2KE}{m} }

Step-by-step explanation:

KE = 1/2mv^2

KE/1/2=mv^2

2KE=mv^2

2KE/m=v^2

\sqrt{2KE/m} =v

7 0
3 years ago
Read 2 more answers
Y = 3x^2 - 4x<br> 27 + y = 14x
Hatshy [7]

Step-by-step explanation:

move the 27 to the other side of the equation like this

y = 14x - 27

use this equation and substitute it into the y value of the first equation

4 0
2 years ago
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