# Question: Among 25 silver dollars struck in 1903 there are 15

Among 25 silver dollars struck in 1903 there are 15 from the Philadelphia mint, 7 from the New Orleans mint, and 3 from the San Francisco mint. If 5 of these silver dollars are picked at random, find the probabilities of getting

(a) 4 from the Philadelphia mint and 1 from the New Orleans mint;

(b) 3 from the Philadelphia mint and 1 from each of the other 2 mints.

(a) 4 from the Philadelphia mint and 1 from the New Orleans mint;

(b) 3 from the Philadelphia mint and 1 from each of the other 2 mints.

**View Solution:**## Answer to relevant Questions

If 18 defective glass bricks include 10 that have cracks but no discoloration, 5 that have discoloration but no cracks, and 3 that have cracks and discoloration, what is the probability that among 6 of the bricks (chosen at ...From Figure 5.6 Figure 5.6 (a) Find the producer’s risk if the AQL is 0.10; (b) Find the LTPD corresponding to a consumer’s risk of 0.05. Find the probabilities that the value of a random variable will exceed 4 if it has a gamma distribution with (a) α = 2 and β = 3; (b) α = 3 and β = 4. A random variable X has a Pareto distribution if and only if its probability density is given by Where α > 0. Show that µ'r exists only if r < α. Show that the normal distribution has (a) A relative maximum at x = µ; (b) Inflection points at x = µ – σ and x = µ + σ.Post your question