Chapter 9, Problem 60PS

Actuation Consulting conducted a global survey of product terms with the goal of better understanding the dynamics of product team performance the practices that make these teams successful. Having a clear definition of “done� is a basic element of successful product management process. One of the survey findings was that $29.4\%$ of organizations indicated that a collective decision by the product team established this important definition of “done�.

Suppose another study is conducted to check the validity of this result, with the goal of proving that the percentage is less than $29.4\%.$

a. State the null and research hypotheses.

b. A Sample of 100 organizations is selected, and results show that 27 indicated that a collective decision by the product team established this important definition of “done� Use either the six-step critical value hypothesis testing approach or the five-step p-value approach to determine at the 0.05 level of significance whether there is evidence that the percentage is less than $29.4\%.$ a