Q and R are independent events. P(Q) = 0.4; P(Q AND R) = 0.08. Find P(R).

Question

24-02-2017
Mathematics

contestada

Q and R are independent events. P(Q) = 0.4; P(Q AND R) = 0.08. Find P(R).

Respuesta :

Otras preguntas

3. Which Founding Father wrote most of the Federalist Papers? Benjamin Franklin George Washington Alexander Hamilton John Jay

HELP PLEASEEEEEEEEEEEEEEEEEEE (MC) I MET a traveller from an antique land Who said: Two vast and trunkless legs of stone Stand in the desert ... Near them, on t

Don't post random answers please. Copy down the conjugation for the verb MOVER (“to move”)

If AB = 17, find the value of AD.

HELP PLS What was the name of the biggest ranch in Texas

What early civilization was located on the Nile River in the south, below the ancient Egyptians? A. Persia B. phoenicia C. Nubia D. babylon

Katrina is asked to simplify the expression Negative 3 a minus 4 b minus 2 (5 a minus 7 b).She writes: Negative 3 a minus 4 b minus 2 (5 a minus 7 b) = negative

Alan, Bobby and Chris are comparing their ages. The ratio of Alan's age toBobby's is 7: 8 and the ratio of Bobby's to Chris' is 5: 4. If Alan is 70, howold is C

!!!!!(Help me please)!!!!!

LammettHash LammettHash · Answer 1 · 2017-02-24T17:57:31+01:00

LammettHash LammettHash

24-02-2017

Because Q and R are independent, you have

[tex]\mathbb P(Q\cap R)=\mathbb P(Q)\times\mathbb P(R)[/tex]
[tex]0.08=0.4\times\mathbb P(R)[/tex]
[tex]\implies \mathbb P(R)=0.2[/tex]

Answer Link