18. Kelly took a picture of each of the following shells from the coral reef and put the
pictures in an envelope.
4 conch shells
8 scallop shells
1 cowrie shell
7 limpet shells
If she chooses one picture from the envelope at random, what is the probability she
will select a picture of either a cowrie or a conch shell?
A.
1
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umle fiaura holourenresents the distance between Gaithersburg and Baltimore.