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The following data represent the No. of different communication activities (e.g. cell phone, text messaging, e-mail, etc
Posted: Wed May 04, 2022 12:04 pm
by answerhappygod
- The Following Data Represent The No Of Different Communication Activities E G Cell Phone Text Messaging E Mail Etc 1 (44.45 KiB) Viewed 37 times
The following data represent the No. of different communication activities (e.g. cell phone, text messaging, e-mail, etc) used by a random sample of teenagers over the past 24 hours. No. of Communication Activities 0 1--2 3-4 5+ Male 0.0525 0.2025 0.15 0.095 Female 0.0525 0.13 0.14 0.1775 If a teenager is randomly selected from the sample, (a) Find the probability that he is a male with 5+ communication activities or she is a female with 3-4 communication activities. (b) Find the probability that the teenager has 3-4 activities, given that she is a female (c) Given that the teenager has 1-2 activities, find the probability that he is a male (d) Check whether "Female" and "5+ communication activities" independent? Why or why not?