28. A large pharmaceutical company would like to estimate the proportion of Americans who feel that the cost of medication is too high. The company surveys a random sample of 153 people, of which 103 reported that the cost of medication are too high. Calculate the upper boundof a 95% confidence interval based on this data. Note that the value of the multiplier is 1.96.

Round your answer to 3 decimal places.

Answer:0.747

Write a sentence interpreting the confidence level used in question 28 in the context of this problem. 1 B I IE S'S Words:0 Again consider question 28. The pharmaceutical company also conducted a hypothesis test of Ho : p = 0.6 vs. Ha : p > 0.6, which resulted in a p-value of 0.03. Write a sentence interpreting this p-value in the context of the problem. 1 B I IE S'S PA Words:0