The partially filled contingency table gives the frequencies of the data on age (in years) and sex from the residents of a
retirement home.
60-69 70-79 Over 79 Total
Male
12 1
5
Female
8
10
4
EUR
Total
What is the relative frequency for females in the age group 60-69?
a.
3
0
b.
1
d. 2
win
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Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation