Answer:
0.8239 is the population proportion of participants that tried quitting smoking.
Step-by-step explanation:
We are given the following in the question:
Sample size, n = 142
Participants that tried quitting smoking = 117
Parameter:
Population proportion can be calculated as:
[tex]p = \dfrac{x}{n} \\\\p= \dfrac{117}{142} \\\\p= 0.8239[/tex]
0.8239 is the population proportion of participants that tried quitting smoking.