Business, 08.11.2021 16:00 calebcoolbeans6691

The Centers for Disease Control and Prevention (CDC) defines a healthy sleep duration to be at least seven hours per day. The CDC reports that the percentage of people who
report a healthy sleep duration varies by marital status. The CDC also reports that in
2018, 67% of those who are married report a healthy sleep duration; 62% of those who
have never been married report a healthy sleep duration; and 56% of those who are
divorced, widowed, or separated report a healthy sleep duration. The file Sleep Habits
contains sample data on the sleeping habits of people who have never been married
that are consistent with the CDC's findings. Use these data to answer the following
questions. Click on the datafile logo to reference the data,
DATA file
a. Develop a point estimate and a 95% confidence interval for the proportion of those
who have never been married who report a healthy sleep duration,
Point estimate
(to 4 decimals)
to
Confidence interval
(to 4 decimals)
4
b. Develop a point estimate and a 95% confidence interval for the mean number of
hours of sleep for those who have never been married.
(to 4 decimals)
Point estimate
to
Confidence interval
(to 4 decimals)
c. For those who have never been married, estimate the number of hours of sleep per
day for those who report a healthy sleep duration (to 4 decimals).

Answers: 3

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The Centers for Disease Control and Prevention (CDC) defines a healthy sleep duration to be at lea...