Conditional Probability Practice

1A) Find the P(A or B).

•  $\frac{3392}{10,000}$  

•  $\frac{2952}{10,000}$  

•  $\frac{6,344}{10,000}$  

•  $\frac{1512}{2,100}$  

Tags

CCSS.HSS.CP.B.7

1A) Interpret P(A or B) in context.

• 63.4% of students at Univ. of NH got an A or B in their course

• 33.9% of students at Univ. of NH got an A or B in their course

• 29.5% of students at Univ. of NH got an A or B in their course

• 72% of students at Univ. of NH got an A or B in their course

Tags

CCSS.HSS.CP.B.7

1B) Find the P(low grade|Engineering).

•  $\frac{800}{1600}$  

•  $\frac{800}{3656}$  

•  $\frac{800}{10,000}$  

•  $\frac{3656}{10,000}$  

Tags

CCSS.HSS.CP.B.6

1B) Interpret P(low grade|Engineering) in context.

• 50% of Engineering students at the Univ. of NH scored below a B in their course.

• 8% of Engineering students at the Univ. of NH scored below a B in their course.
  

• 21.9% of Engineering students at the Univ. of NH scored below a B in their course.

• 36.6% of Engineering students at the Univ. of NH scored below a B in their course.
  

Tags

CCSS.HSS.CP.B.6

1C) Find the P(low grade|Liberal Arts).

•  $\frac{2268}{6300}$  

•  $\frac{2268}{3656}$  

•  $\frac{2268}{10,000}$  

•  $\frac{6300}{10,000}$  

Tags

CCSS.HSS.CP.A.4

1C) Interpret P(low grade|Liberal Arts) in context.

• 62% of liberal arts students at Univ. of NH scored below a B in their course.
  

• 36% of liberal arts students at Univ. of NH scored below a B in their course.

• 22.7% of liberal arts students at Univ. of NH scored below a B in their course.
  

• 63% of liberal arts students at Univ. of NH scored below a B in their course.
  

Tags

CCSS.HSS.CP.A.4

1D) Find the P(A|Liberal Arts).

•  $\frac{2142}{6300}$  

•  $\frac{2142}{3392}$  

•  $\frac{2142}{10,000}$  

•  $\frac{6300}{10,000}$  

Tags

CCSS.HSS.CP.B.6

1D) Interpret P(A|Liberal Arts) in context.

• 36% of liberal arts students at the Univ. of NH scored an A in their course.
  

• 21.4% of liberal arts students at the Univ. of NH scored an A in their course.

• 34% of liberal arts students at the Univ. of NH scored an A in their course.

• 63% of liberal arts students at the Univ. of NH scored an A in their course.
  

Tags

CCSS.HSS.CP.B.6

2A) What is the probability the person selected earned a Master's degree? Round your answer to the nearest thousandth (3 decimal places). Type the decimal only.

(a)  

Tags

CCSS.8.SP.A.4

2B) What is the probability the person selected is a female or earned a Master's degree? Round your answer to the nearest thousandth (3 decimal places). Type the decimal only.

(a)  

Tags

CCSS.HSS.CP.B.7