Question

If I observe a bed of mussels on the coast of California in which five species live where the abundances of each species are 22 for species #1, 466 for species #2, 719 for species #3, 18 for species #4, and 2,699 for species #5, what is the probability that I would randomly pick the third species?

(answer to 2 decimal places)

QUESTION 12

Which of the following calculations require that you utilize the addition rule?

A) Calculate the probability of a child having either sickle-cell anemia or cystic fibrosis if parents are each heterozygous for both

B) Calculate the probability of each of four children having cystic fibrosis if the parents are both heterozygous.

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C) Calculate the probability of children with both cystic fibrosis and polydactyly when parents are each heterozygous for both genes

D) Calculate the probability of purple flower color in a plot of 50 plants seeded from a self-fertilizing heterozygous parent plant

E)

Calculate the probability of black offspring from the cross AaBb × AaBb, when B is the symbol for black