A publisher reports that 37% of their readers own a laptop. A marketing executive wants to test the claim that the percentage is actually different from the reported percentage. A random sample of 350 found that 30% of the readers owned a laptop. Find the value of the test statistic. Round your answer to two decimal places.

Answer:p(s)  = - 2.71Step-by-step explanation:Test of proportionsample size       n  =  350Publisher report             37 %      0,37Sample proportion          30 %      0.30p(s)  = [ ( p  -  p₀ ) /√(p₀q₀/n ]      ⇒  p(s)  = - 0.07*(18.70)/√(0.37)*(0.63)p(s)  = - 1.3095/0.4828p(s)  = - 2.71