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Art [367]
3 years ago
11

Discrete and continuous random variables

Mathematics
1 answer:
Iteru [2.4K]3 years ago
8 0
A continuous variable<span> is a </span>variable<span> whose value is obtained by measuring. A </span>random variable<span> is a</span>variable<span> whose value is a numerical outcome of a</span>random<span> phenomenon. A </span>discrete random variable<span> X has a countable number of possible values. Example: Let X represent the sum of two dice</span>
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The sum of 4x² + x - 8 and x² + 9 can be expressed as​
kotykmax [81]

Answer:

5x^2+x+1

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
what is the length of the hypotenuse of a right triangle with legs that measure 8 and 13 cm round the answer to the nearest hund
atroni [7]
Use pythagoreaan theorem
a^2+b^2=c^2
a and b are teh legnth s of the legs
c is the legnt o fthe hyptonuse

8^2+13^2=c^2
64+169=c^2
233=c^2
square root both sdies
aprox 15.264=c

the legnth is aprox 15.26 cm
4 0
3 years ago
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Find the absolute maximum and minimum values of f(x.y)=x^2+y^2-2x-2y on the closed region bounded by the triangle with vertices
dem82 [27]

Try this suggested solution, note, 'D' means the region bounded by the triangle according to the condition. It consists of 6 steps.

Answers are underlined with red colour.

6 0
3 years ago
Of all college degrees awarded in the United States, 50 % 50% are bachelor's degrees, 59 % 59% are earned by women, and 29 % 29%
bazaltina [42]

Answer:

P(B|W)=0.5

Step-by-step explanation:

-Given that P(B)=0.5,P(B)=0.59 AND P(W)=0.29-Conditional probability is defined as the probability of one event occurring with relationship with one or more other events.

P(B|W)=\frac{P(W)\times P(B)}{P(W)}\\\\=\frac{0.50\times0.29}{0.29}\\\\=0.5

Hence, the conditional probability that a degree is earned by a woman, given that the degree is a bachelor's degree is 0.5

8 0
3 years ago
X² + 7x + 12 factorise it​
Sidana [21]

Step-by-step explanation:

x²+7x+12

x²+4x+3x+12

x(x+4)+3(x+4)

(x+3)(x+4)

hope it helps

4 0
2 years ago
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