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Suppose Q and R are independent events. Find P (Q and R)
P(Q)=2/5, P(R)=3/7
 11 months ago
 11 months ago
Suppose Q and R are independent events. Find P (Q and R) P(Q)=2/5, P(R)=3/7
 11 months ago
 11 months ago

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satellite73Best ResponseYou've already chosen the best response.1
if they are independent, then \[P(Q\cap R)=P(Q)\times P(R)\]
 11 months ago

satellite73Best ResponseYou've already chosen the best response.1
in other words, multiply the two probabilities
 11 months ago

Kagome_gurl8Best ResponseYou've already chosen the best response.0
I tried and keep getting .92
 11 months ago

RolyPolyBest ResponseYou've already chosen the best response.0
\[\frac{2}{5} \times \frac{3}{7} \ne 0.92\]...
 11 months ago

satellite73Best ResponseYou've already chosen the best response.1
\[\frac{2}{5}\times \frac{3}{7}=\frac{6}{35}\]
 11 months ago

Kagome_gurl8Best ResponseYou've already chosen the best response.0
Oh, thank you :D Would you mind helping me on one more problem?
 11 months ago

Kagome_gurl8Best ResponseYou've already chosen the best response.0
P(Q)=1/3, P(R)=1/10
 11 months ago
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