Question

19. ABC Company is considering a site for locating their another plant. The company insists
that any location they choose must have an average auto traffic of more than 2000 trucks
per day passing the site. They take a traffic sample of 20 days and find an average
volume per day of 2140 with standard deviation equal to 100 trucks. Answer the
following: (i) If a = .05, should they purchase the site? (ii) If we assume the population
mean to be 2140, what is the b error?


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Answer 1

Step-by-step explanation:

The period is the duration of time of one cycle in a repeating event, so the period is the reciprocal of the frequency. For example: if a newborn baby's heart beats at a frequency of 120 times a minute (2 hertz), its period, T, — the time interval between beats—is half a second (60 seconds divided by 120 beats)