Reference no: EM1313136
Write the null and alternative hypotheses you would use to test the following situation.
An entomologist writes an article in a scientific journal which claims that fewer than 22% of male fireflies are unable to produce light due to a genetic mutation.
a. H0: p < 0.22
HA: p = 0.22
b. H0: p = 0.22
HA: p < 0.22
c. H0: p > 0.22
HA: p = 0.22
d. H0: p > 0.22
HA: p < 0.22
e. H0: p = 0.22
HA: p > 0.22
2. Name the variables in each description of data, then tell whether they are quantitative or categorical. For each quantitative variable name its unit of measure.
When determining the batting average for a baseball player you must have data on the number of hits in the season, and the number of at-bats in the season.
a. Number of hits, quantitative, games; number of at-bats, quantitative, at-bats; player, categorical.
b. Number of hits, comparative; number of at-bats, quantitative, at-bats.
c. Number of hits, quantitative, hits; number of at-bats, comparative.
d. Number of hits, quantitative, hits; number of at-bats, quantitative, at-bats.
e. Number of hits, comparative; number of at-bats, quantitative, at-bats; players, categorical.
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