Find HI (hint it is MORE than solving for x)

Can someone me with the property questions for 12 13 and 14 plz

The frequency table shows the results of a survey comparing the number of beach towels sold for full price and at a discount during each of the three summer months. the store owner converts the frequency table to a conditional relative frequency table by row. which value should he use for x? round to the nearest hundredth. 0.89 0.90 0.92 0.96

Find the value of x in each case. give reasons to justify your solutions! d q ∈ pr