Addition Rule for Probability

If P(A)= 0.2, P(B)=0.3 and P(A and B)=0.06, what is P(A or B)?

Round to the nearest hundredths (two AFTER the decimal)

Tags

CCSS.HSS.CP.B.7

If P(A or B)= 0.3, P(B)=0.2 and P(A and B)=0.5, what is P(A)?

Round to the nearest hundredths (two AFTER the decimal)

Tags

CCSS.HSS.CP.B.7

If P(A or B)= 0.1, P(A)=0.45 and P(A and B)=0.8, what is P(B)?

Round to the nearest hundredths (two AFTER the decimal)

Tags

CCSS.HSS.CP.B.7

The probability that Owen orders chicken is 0.25, the probability that Sarah orders chicken is 0.52. What is the probability that Owen or Sarah order steak?

Round to the nearest hundredths (two AFTER the decimal)

Tags

CCSS.HSS.CP.B.7

The probability that Kimi drinks lemonade is 0.64, the probability that Heaven drinks lemonade is 0.43. What is the probability that Kimi or Heaven both drink lemonade?

Round to the nearest hundredths (two AFTER the decimal)

Tags

CCSS.HSS.CP.B.7

If P(A)= 0.4, P(B)=0.23 and P(A and B)=0.15, what is P(A or B)?

Round to the nearest hundredths (two AFTER the decimal)

Tags

CCSS.HSS.CP.B.7

If P(A or B)= 0.43, P(A)=0.11 and P(A and B)=0.17, what is P(B)?

Round to the nearest hundredths (two AFTER the decimal)

Tags

CCSS.HSS.CP.B.7

The probability Dean passes his driving test is 0.42. The probability that Brayden passes is 0.52. If Dean and Brayden pass independently, what is the probability Dean or Brayden pass their driving test?

Tags

CCSS.HSS.CP.B.7