1) Population (parametric) mean= 53.501 Standard deviation = 1.79208 Imagine that 5 individuals are sampled at random from this population.

1)

Population (parametric) mean= 53.501

Standard deviation = 1.79208

Imagine that 5 individuals are sampled at random from this population. Calculate the probability that the average calculated will be less than the value: (population – (st.dev/3))

2) The average number of squirrels you come across on campus is 4.1. What is the probability of observing at most three squirrels? Assume that squirrels are randomly distributed and that each squirrel is an independent observation.

3) 15% of a specific population of rainbow trout carry intestinal parasites. Assume 9 random samples are obtained from this population.

a) calculate the probability that 1 carry intestinal parasites.

b) calculate the probability that at least 2 individuals carry intestinal parasites.

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