Probability
posted by Mary .
Could someone please check this and let me know if I'm doing it correctly?
Sammy and Sally each carry a bag containing banana, chocolate bar, and a licorice stick. Simutaneously, they take out a single good item and consume it. The possible food items that Sally and Sammy consumed are as follows.
Chocolate bar  chocolate bar
licorice stick  chocoate bar
banana  banana
chocolate bar  licorice stick
licorice stick  licorice stick
chocolate bar  banana
banana  licorice stick
licorice stick  banana
banana  chocolate bar
Find the probabilty that at least one chocoate bar was eaten.
= 5/9
Find the conditional probability. Suppose one card is selected at random from an ordinary deck of 52 playing cards.
Let A = event a queen is selected.
B = event a diamond is selected.
Determine P (B!A)
=
P (13/4)
correct
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69% of adults favor gun licensing in general. Chose 1 adult at random. What is the probability that the selected adult does not believe in gun licensing?
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