Question

ms. zanotti receives text messages throughout her work day from her daughter day care provider. the possible number of text messages that she receives in a given day and the probabilities are given in the table.

Answer 1

a)

`\begin{gathered} \text{ From the table, we can s}ee\text{ that } \\ \text{ The probability that she receives exactly }4\text{ text messages per day =}(3)/(16) \end{gathered}`

b)

`\text{ The probability that she receives fewer than 4 text messages = 1-}(3)/(16)=(13)/(16)`

c)

`\text{ The probability that she receives least two messages = }(3)/(8)+(1)/(16)+(3)/(16)=(6+1+3)/(16)=(10)/(16)=(5)/(8)`