You would like to investigate whether smokers are more likely than nonsmokers to get lung cancer. You take the students in your class, select half at random and tell them to smoke a pack of cigarettes each day, and you tell the other half not to ever smoke. Fifty years from now, you will analyze whether more smokers than nonsmokers got lung cancer. Is this an experiment or an observational study? O Experiment O Observational Study Summarize at least three practical difficulties with this planned study.

Q: How do I solve this?

A: given number of people probability 1 0.25 2 0.32 3 ? 4 ? 5 0.07 6 0.03 7+ 0.01…

Q: don't understand how I'm supposed to solve this question.

A: Basic concept of discrete probability distribution are used

Q: I need help solving these

A: From the provided information, The total male students = 776,281 Total students who received degrees…

Q: How do you solve this

A: Given vectors: Denote the given two vectors as A and B.

Q: how do we go about solving the last two parts?

A:

Q: x+y+z = -3 -7 2x - 2y-z = −7 -3x + y + 5z = 5

A:

Q: How do I solve this?

A: Given: The data is provided as:   England US Total Fly 54 45 99 Freeze time 52 44 96…