Moviegoers The average "moviegoer" sees 8.5 movies a year. A moviegoer is defined as a person who sees at least one movie in a theater in a 12-month period.
A random sample of 40 moviegoers from a large university revealed that the
average number of movies seen per person was 9.6. The population standard
daviation is 3.2 movies. At the 0.05 level of significance, can it be concluded that
this represents a difference from the national average?

What percentage of the earth's water is available for use by living things?

An item not normally included in ansi recommendations, but recommended by other groups is: a) a syringe b) a blood pressure monitor c) a defibrillator d) all of the above

In an ecosystem, marsh snails feed on phytoplankton and painted turtles feed on marsh snails. pollution has resulted in the depletion of phytoplankton. what effect would this situation likely have on the population of marsh snails and painted turtles? as phytoplankton were destroyed, the population of marsh snails would most likely then the population of painted turtles would mostly likely a. 1. increase 2. decrease 3. stay the same b. 1. increase 2. decrease 3. stay the same