Statistics for Business
Fill in the blanks.
If P(rain∣traffic)P(\(\text{rain}\[\mid\]\text{traffic}\)) is written, it represents the probability of _______________ given _______________.
Which explanation correctly contrasts joint and conditional probability?
A school survey records 120 students: 30 play football, 50 play basketball, 40 play neither. What is the marginal probability (as a decimal) that a randomly chosen student plays basketball?
A contingency table shows 80 employees: 20 are managers who work remote, 30 are managers who work on-site, and 30 are non-managers. If 50 employees are managers total, what is the probability an employee works remote given they are a manager?
In a 150-person study, the cell for 'smoker' and 'age 18-25' is 18. Express the joint probability as a simplified fraction, decimal, and percentage.
