A gaming software agency would like to test if the average age of "gamers" (those that routinely play video games) is more than 30 years old. What is the correct hypothesis statement?


Answer : H0?: mu less than or equals?30; H1?: mu ?> 30

Biology & Microbiology

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The name “human” is an example of a

(a) common name. (b) scientific name. (c) binomial. (d) polynomial.

Biology & Microbiology

Which of the following kinds of animals are NOT crustaceans?

A. krill B. barnacles C. ostracods D. pill bugs E. scorpions

Biology & Microbiology

The liverwort genus Marchantia can reproduce asexually by way of ____, small cell masses that form in cuplike

growths on a ____.

a. antheridia; gemmae b. gemmae; thallus c. archegonia; thallus d. thallus; gemmae

e. antheridia; thallus

Biology & Microbiology

Boa constrictors have tiny pelvic girdles and leg bones inside their bodies. Because these structures are nonfunctional "evolutionary baggage," they are called

A) homologous. B) maladaptive. C) convergent. D) vestigial. E) analogous.

Biology & Microbiology