Refer to the previous exercise. Th e researchers also found that 503 of the 1,770 people thought of the number 7. Do these data provide strong evidence that people have a tendency to select the number 7 disproportionately oft en? Investigate this question by answering parts (a) to (g) of the previous exercise.

a. Describe the relevant parameter of interest.
b. State the appropriate hypotheses to be tested.
c. Calculate the observed value of the appropriate statistic.
d. Check whether a theory-based approach is appropriate
for these data and hypotheses.
e. Calculate the standardized value of the statistic.
f. Determine an approximate p-value.
g. Summarize your conclusion.