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aallyssabrown0120
12.11.2020 •
Mathematics
13
Given that x=# packs of
trading cards and y=total
cost of online order,
describe the meaning of
the rate of change?
(4,28) (10, 64)
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Ответ:
(a1) The probability that temperature increase will be less than 20°C is 0.667.
(a2) The probability that temperature increase will be between 20°C and 22°C is 0.133.
(b) The probability that at any point of time the temperature increase is potentially dangerous is 0.467.
(c) The expected value of the temperature increase is 17.5°C.
Step-by-step explanation:
Let X = temperature increase.
The random variable X follows a continuous Uniform distribution, distributed over the range [10°C, 25°C].
The probability density function of X is:
(a1)
Compute the probability that temperature increase will be less than 20°C as follows:
Thus, the probability that temperature increase will be less than 20°C is 0.667.
(a2)
Compute the probability that temperature increase will be between 20°C and 22°C as follows:
Thus, the probability that temperature increase will be between 20°C and 22°C is 0.133.
(b)
Compute the probability that at any point of time the temperature increase is potentially dangerous as follows:
Thus, the probability that at any point of time the temperature increase is potentially dangerous is 0.467.
(c)
Compute the expected value of the uniform random variable X as follows:
Thus, the expected value of the temperature increase is 17.5°C.