Pls help I need this so bad Height has an approximately bell-shaped distribution. For a sample of heights of college students collected, the males had x=73 s=3 and the females had x=67 and s=3
Use this information to answer parts a and b
Approximately 68% of the observations fall within the interval:

Which of the following are independent events? a) knowing that it is going to rain tomorrow, and bringing an umbrella to schoolb) knowing that you have to get up early tomorrow, and going to bed before 9 p.mc) knowing that it is going to rain tomorrow, and going to bed before 9 p.md) knowing that you have a test in school tomorrow, and studying thw night before