STATISTICS

\fNormal Distribution. The volume of water in commercially supplied fresh drinking water containers is approximately Normally distributed with mean 7'0 liters and standard deviation 0.75 liters. Estimate the proportion of containers likely to contain less than 70.5 liters. Among the 40 applicants for Bossing's secretary, only 30 are qualified. If five of the applicants are randomly selected for an interview, find the probability that only two of the five will be qualified for the job.The random variable X, representing the number of sesame seeds in a biscuit has the following probability distribution: X. 4 5 6 7 8 P(X = x): 0.01 0.25 0.4 0.3 0.04 Determine the variance of X.Let X be the random variable with the following distribution: X : -2 3 5 P(X = x): 0.5 0.3 0.2 Determine the variance of X