12. The distribution of the length of fish in a hatchery is approximately Normal with mean 14 inches and standard deviation 2 inches.
(a) What is the probability that 16 randomly selected fish have a mean length more than 14.5 inches?
(b) What is the probability that 64 randomly selected fish have a mean length more than 14.5 inches?
(c) Explain why the probabilities in (a) and (b) are not equal.

Acommunity group sells 2,000 tickets for its raffle. the grand prize is a car. neil and 9 of his friends buy 10 tickets each. when the winning ticket number is announced, it is found to belong to neil's group. given this information, what is the probability that the ticket belongs to neil? a.1/5 b.1/10 c.1/200 d.1/4

An equation representing lyle’s hedge-trimming business is a = 12n - 300 where a is the amount of profit or loss in dollars and n is the number of hedges trimmed. how would the graph of lyle’s business change if the equation a = 10n - 300 represented his business? the graph would be flatter. the graph would be steeper. the graph would start closer to the origin. the graph would start lower on the y-axis.

Indicate the formula for the following conditions: p^c(n,r)=