In a survey conducted by a reputable marketingagency, 253 of 1000 adults 19 years of age or older confessed to bringing and using their cell phone every trip to the bathroom(confessions included texting and answering phonecalls). Complete parts(a) through(f) below.

a) What is the sample in thisstudy? What is the population ofinterest?

Determine the population of interest. Select the correct choice belowand, ifnecessary, fill in the answer box within your choice. (whole number)

(b) What is the variable of interest in thisstudy? Is it qualitative orquantitative?

c) Based on the results of thissurvey, obtain a point estimate for the proportion of adults 19 years of age or older who bring their cell phone every trip to the bathroom. P hat=?

d) Explain why the point estimate found in part(c) is a statistic. Explain why it is a random variable. What is the source of variability in the randomvariable?

Why is the point estimate found in part(c) astatistic?

Why is the point estimate found in part(c) a randomvariable?

What is the source of variability in the randomvariable?

(e) Construct and interpret a 95% confidence interval for the population proportion of adults 19 years of age or older who bring their cell phone every trip to the bathroom. Select the correct choice below and fill in any answer boxes within your choice.