What is the measure of ∠X? Round your final answer to the nearest tenth, if necessary.

12.6º

21.8º

62.8º

82.2°

The figure shows acute triangle X Y Z. The measure of angle Z is 35 degrees. The length of side X Y is 22 centimeters. The length of side Y Z is 38 centimeters.
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According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.