Aportion, segment, or piece of a whole is called a

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?

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?

Given a normal distribution with µ=20 and σ = 4, what is the probability that x> 24 x< 24 x< 24 or x> 24