A plant inspector takes a random sample of six month old seedlings from a nursery and
Chapter 20, Problem 4(choose chapter or problem)
A plant inspector takes a random sample of six month old seedlings from a nursery and measures their heights to the nearest mm. The results are shown in the frequency histogram. a How many of the seedlings are 400 mm or more in height? b What percentage of the seedlings are between 349 and 400 mm? c The total number of seedlings in the nursery is 1462. Estimate the number of seedlings which measure: i less than 400 mm ii between 374 and 425 mm.
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