Mathematics, 13.12.2019 18:31 maggie9459
An environmentalist wants to compare the ph levels in lakes near the west coast of the united states to lakes near the east coast of the united states. they sample water from 5 randomly selected lakes from each population of lakes. are these samples dependent or independent?
select the correct answer below:
a. these samples are independent because the samples are randomly selected and are from populations that are not related to each other.
b. these samples are dependent because the populations are related to each other.
c. these samples are dependent because the lakes were not randomly selected.
d. not enough information is provided to determine independence.
Answers: 1
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10 points? ? +++ me asap gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a) gabriella averages 7.5 u.s. dollars for every 100 euros. b) gabriella averages 100 u.s. dollars for every 25 euros. c) gabriella can exchange 75 u.s. dollars for 100 euros. d) gabriella can exchange 100 u.s. dollars for 75 euros.
Answers: 2
An environmentalist wants to compare the ph levels in lakes near the west coast of the united states...
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