With reference to Exercise 13.57, find the critical region and the actual level of significance corresponding to this critical region.
In exercise
It has been claimed that more than 40 percent of all shoppers can identify a highly advertised trademark. If, in a random sample, 10 of 18 shoppers were able to identify the trademark, test at the 0.05 level of significance whether the null hypothesis θ = 0.40 can be rejected against the alternative hypothesis θ > 0.40.