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Five percent of all DVD players manufactured by a large electronics company are defective. A quality control inspector randomly selects six DVD players from the production line. What is the probability that exactly two of these six DVD players is defective, that is P (x = 2)? Hint: use Binomial Formula Choose the best answer O 0.0166 O 0.0305 0 0.3333 0 0.7171 QUESTION 12 Assume that the population salaries of elementary school teachers in the United States have a mean of $42,000 and a standard deviation of $3000. Let x-bar be the mean salary of a random sample of 100 elementary school teachers in the United States. Find the following: Choose the best answer Standard Error of the sampling A. $4,200 distribution of X-bar. B. $30 Mean of the sampling distribution of C. $100 X-bar D. $42,000 E. $300 F. $3000 Assume that the weights of all packages of Horatio's figs are normally distributed with a mean of 36 ounces and a population standard deviation of 4 ounces. Find the probability that the mean weight of a random sample of 9 packages of Horatios figs will be between 35 and 39 ounces. Choose the best answer 0 0.9878 0 0.3121 0 0.0189 O 0.7612 Matching - Choose the best answer P(Z 2.72) B. 0.0033 P (Z