3-25. An assembly consists of three mechanical components. Suppose that the probabilities that the first, second, and third components meet specifications are 0.95, 0.98, and 0.99. Assume that the components are independent. Determine the probability mass function of the number of components in the assembly that meet specifications.

Sampling Distribution of P hat 1. Center P= mean of p hat 2. Spread Standard deviation of p hat = Square root over all (P(1P)/n) 3. Shape p hat is “normal” meaning n multiplied by p or n(1p) has to be greater or equal to ten. Should be bellshaped. General Margin of error: Confidence level multiplier multiplied by standard...