According to the Girl Scouts of America, 9% of all Girl Scout cookies sold are shortbread/ trefoils. If a box of Girl Scout cookies is selected at random, what is the probability that it is not shortbread/trefoils?
The probability is
The given data is that 9% of all Girl Scout cookies sold are shortbread/ trefoils.
If E represents an event and represents the complement of E then . It is given that
Substitute the values in the formula to find the required value.
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