The third term in an arithmetic sequence is 15 and the fifth term is 23. If the first term is a1, write an equation for the nth term of this arithmetic sequence?

How can you find the conditional probability of a given b as the fraction of b’s outcomes that also belong to a, and interpret the answer in terms of the model? i just need a good explanation

27 is what percent of 108? 27 is % of 108

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if