Statistics problem solving

Apr 22nd, 2015
Price: $20 USD

Question description

if you could stop time and live forever in good health, what age would you pick? Answers to this question were reported in a USA Today Snapshot. The average ideal age for each age group is listed in the following table; the average ideal age for all adults was found to be 41. Interestingly, those younger than 30 years want to be older, whereas those older than 30 years want to be younger.

Age Group

Ideal Age

18 - 24


25 - 29


30 - 39


40 - 49


50 - 64


65 +


Age is used as a variable twice in this application.

  • The age of the person being interviewed is not the random variable in this situation. Explain why and describe how “age” is used with regard to age group.

  • What is the random variable involved in this study? Describe its role in this situation.

  • Is the random variable discrete or continuous?

Question 2

Find the area under the normal curve that lies to the left of the following z-values.

  • Z=-1.30

  • Z=-3.20

  • Z=-2.56

  • Z=-0.64

Tutor Answer

(Top Tutor) Daniel C.
School: UC Berkeley

Studypool has helped 1,244,100 students

Review from our student for this Answer

Apr 23rd, 2015
"Top quality work from this guy! I'll be back!"
Ask your homework questions. Receive quality answers!

Type your question here (or upload an image)

1820 tutors are online

Brown University

1271 Tutors

California Institute of Technology

2131 Tutors

Carnegie Mellon University

982 Tutors

Columbia University

1256 Tutors

Dartmouth University

2113 Tutors

Emory University

2279 Tutors

Harvard University

599 Tutors

Massachusetts Institute of Technology

2319 Tutors

New York University

1645 Tutors

Notre Dam University

1911 Tutors

Oklahoma University

2122 Tutors

Pennsylvania State University

932 Tutors

Princeton University

1211 Tutors

Stanford University

983 Tutors

University of California

1282 Tutors

Oxford University

123 Tutors

Yale University

2325 Tutors