for a certain candy,15% of pieces are yellow, 5 cresund to three de:-mal planes
ID: 3268523 • Letter: F
Question
for a certain candy,15% of pieces are yellow, 5
Explanation / Answer
Solution:
P(Yellow)=0.15
P(red)=0.2
P(blue)=0.05
P(green)=0.05
a)
P(brown)=1-(0.15+0.2+0.05+0.05)=0.55
b)
P(yellow or blue)=P(Yellow)+P(blue)=0.2
c)
P'(green)=1-P(green)=1-0.05=0.95
d)
P(striped)=0
e)
P(3 brown)=0.55^3=0.166
f)
P( third one being the first red one)=P'(red)*P'(red)*P(red)=0.8*0.8*0.2=0.128
g)
P(none yellow)=P'(yellow)^3=(1-0.15)^3=0.614
h)
P(aleast 1 green)=1-P(no green)=1-(0.95)^3=0.143
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