Which of the following probability formulas are always true for any events A and B.
Select all that apply.
P(A and B)=P(BIA)*P(A)
P(not A)=1-P(A)
P(A or B)=P(A)+P(B)-P(A and B)
P(A/B)=P(A)
P(A or B)=P(A)+P(B)
P(A and B)=P(A)*P(B)
P(A and B)=P(A)+P(B)
niin
ni and R) / DIR)

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

In the triangles, tr = ge and sr = fe. if = 3.2 ft, which is a possible measure of ? 1.6 ft 3.0 ft 3.2 ft 4.0 ft

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?