A class consist of 10 males and 30 females. If one student is randomly selected from the class what is the probability of selecting a male?
A class consist of 10 males and 30 females. a random sample of n=3 is selected. If the first two students are both females what is the probability that the third student is a male?
What proportion of a normal distribution is located in the tail beyond z= 1.50?© BrainMass Inc. brainmass.com March 5, 2021, 1:22 am ad1c9bdddf
P (selecting a male) = Favorable no. of cases/Total no. of cases
The solution provides step by step method for the calculation of probabilities and normal distributions.