Question

For each of the following situations, give a definition of the population proportion, p, and state Ho and Ha (remember Ha is the research hypothesis)

(a) An ecologist wishes to determine if more than 25% of the animals in a certain population are predators.

(b) Mendelian Theory suggests that the probability a certain type of plant produces a pink flower is .50. A research wishes to conduct a test to refuse this theory (i.e. to prove it is incorrect)

(c) A biologist wishes to detainee if more than 50% of the coyotes killed by hunters in Nova Scotia are female.

(d) A survey is to be conducted to determine if fewer than 25% of the residents of a certain city are "environmentally aware".

Answer 1

a)

Ho :   p =    0.25
H1 :   p >   0.25

b)

Ho :   p =    0.5
H1 :   p ╪   0.5

c)

Ho :   p =    0.5
H1 :   p >   0.5

d)

Ho :   p =    0.25
H1 :   p <   0.25
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