3 years ago

Given that events A and B are mutually exclusive, i.e., A?B = ? and P(A?B) =0, and that P(A)=0.7 and P(B)=0.2, find P(A or B).

Mathematics

1 answer:

TEA [102]3 years ago

7 0

Answer:

Step-by-step explanation:

i use d relationship between them

You might be interested in

Find the slope of the line that is perpendicular to the joining line P (2,-3) and Q (-3,-2)

azamat

m =(y2-y1)/(x2-x1)

m =(-2 + 3 )/(-3 -2)

m = 1/-5

m = -1/5

slope of the line that is perpendicular = 5

8 0

3 years ago

The quarterback completed 11 passes out of 15 pass

levacccp [35]

Answer:

175-176 passes are completed in a season

Step-by-step explanation:

5 0

3 years ago

Help please!!!!

yanalaym [24]

18 The 2 trapezia formed by midpoint are similar so we can write

19/24 = x / 19

x = 19^2 / 24 = 15.04

19. 360 degrees . This is true for all polygons

6 0

3 years ago

Describe the difference between the value of x in a binomial distribution and in a geometric distribution.

Ganezh [65]

Answer:

See below

Step-by-step explanation:

A binomial distribution has the value of x representing the number of successes in n trials, while a geometric distribution has the value of x representing the first trial that results in a success.

8 0

2 years ago

Solve: x^2-x-6=0<br> Show your wrok

ivolga24 [154]

<h2>Answer:</h2><h2>x=-2</h2>

<h2>x=3</h2><h2>The factors of which -6 which sum to -1 are -3 and +2</h2><h2>(x-3) (x+2)=2</h2><h2>Equate each factor to zero and solve for x</h2><h2 /><h2>x +2=0→x=-2</h2><h2>x-3=0→x=3.</h2>

8 0

3 years ago