candykiss8857
candykiss8857 candykiss8857
  • 25-04-2017
  • Mathematics
contestada

Suppose Q and R are independent events, and P(Q) = 0.45, P(R) = 0.31. Find P(Q and R).
A. 0.1395
B. 0.063
C. 0.14
D. 0.76

Respuesta :

mohabbasem
mohabbasem mohabbasem
  • 25-04-2017
The right anser is A: 0.1395 because you multiply the two possibilities. 
Answer Link
lublana
lublana lublana
  • 07-11-2019

Answer:

0.1395

Step-by-step explanation:

We are given that Q and R are independent events.

P(Q)=0.45

P(R)=0.31

We have to find the value of P(Q and R).

We know that when two events are independent then

[tex]P(A\cap B)=P(A)\cdot P(B)[/tex]

[tex]P(Q\cap R)=0.45\times 0.31=0.1395[/tex]

Answer:P( Q and R)=0.1395

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