a publisher reports that 67g% of their readers own a particular make of car. a marketing executive wants to test the claim that the percentage is actually different from the reported percentage. a random sample of 350350 found that 62b% of the readers owned a particular make of car. is there sufficient evidence at the 0.050.05 level to support the executive's claim? step 5 of 7 : identify the value of the level of significance.