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kupik [55]
3 years ago
11

The probability of NOT A. A) P(A) B)P(AnB) C)P(A) D)P(AUB)

Mathematics
2 answers:
Mariana [72]3 years ago
6 0

Answer:

C

Step-by-step explanation:

scoray [572]3 years ago
5 0

Answer: A or C

The probability of every event is at least zero.

(For every event A, P(A) >= 0. There is no such thing as a negative probability.)

The probability of the entire outcome space is 100%.

(P(S) = 100%. The chance that something in the outcome space occurs is 100%, because the outcome space contains every possible outcome.)

If two events are disjoint, the probability that either happens is the sum of the probabilities that each happens.

(If AB = {}, P(AUB) = P(A) + P(B).)

Step-by-step explanation:

the probability that an event A does not happen is 100% minus the probability that A happens:

My answer P(Ac) = 100% - P(A).

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-2 1/6 + -3 1/3 + -5 1/2
N76 [4]

Answer:

-2 1/6 + -3 1/3 + -5 1/2 = -11

Step-by-step explanation:

-2 + -3 + -5 = -10

-1/6 +- 1/3 + -1/2 = -1

-10+-1=-11

3 0
3 years ago
A bookstore pays $12.75 for hardcover books and charges $29.95. What is the maximum percent of discount that it can offer while
Anna [14]

9514 1404 393

Answer:

  A.  40.7%

Step-by-step explanation:

The selling price for a $5 profit will be ...

  $12.75 +5.00 = $17.75

From $29.95, this represents a change of ...

  (17.75 -29.95)/29.95 × 100%

  = -12.20/29.95 × 100% ≈ -40.7346%

The bookstore can offer a maximum discount of about 40.7%.

4 0
3 years ago
Read 2 more answers
If 1 cm represents 30 km on a map and colorado is shown by a 20cm by 15 cm rectangle on the map, what is the approximate actual
zubka84 [21]

Answer:

20*30km = 600km

15*30km = 450km

600km * 450km = 270000 km^2

Step-by-step explanation:

assuming 1cm --- 30km causes that 2cm --- 60km, 3cm --- 90km, 4cm --- 120km etc. Notice that number of km's is 30 times greater than the number of cm's on a map

using this logic, you calculate both real dimensions of Colorado by multiplying 20*30 = 600 km and 15*30 = 450km

Then we use a formula of an area of a rectangle A=a\cdot b assuming a=600km, \ b=450km and get A=600\cdot 450=270000km^2 which is an actual area of Colorado

3 0
3 years ago
Y = -4/3x − 1<br> y = 1/3x + 4
Tom [10]

Answer:

x = -3, y =3

Step-by-step explanation:

y = -4/3x - 1

y = 1/3x + 4 -------> 4y = 4/3x + 16

Adding the first equation and the new second equation together:

5y = 15 ------> y = 3

Plug y = 3 into one of the original equations:

3 = 1/3x + 4

-1 = 1/3x

x = -3

7 0
3 years ago
Write the pair of fractions as a pair of fractions with a common denominator
Likurg_2 [28]
What pair of fractions? I will be able to help i just need to know what fractions to use :)
3 0
3 years ago
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