The adult body lengths of deer mice (excluding the tail) vary approximately Normally, with mean u = 86 mm and standard deviation o=8 mm. A researcher selects a random sample of 14 deer mice. For the following, fill in the blanks: (a) The probability that the sample mean body length would be less than 80 mm is Assuming that the population mean is 86 mm (considering 86 mm as our assumption): (b) If we repeat taking all possible samples of size 14 from the population, then only out of 1,000 sample means would have values as small as 80 mm or about even smaller.

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The adult body lengths of deer mice (excluding the tail) vary approximately Normally, with
mean u = 86 mm and standard deviation o = 8 mm. A researcher selects a random sample
of 14 deer mice. For the following, fill in the blanks:
(a) The probability that the sample mean body length would be less than 80 mm is
Assuming that the population mean is 86 mm (considering 86 mm as our assumption):
(b) If we repeat taking all possible samples of size 14 from the population, then only
out of 1,000 sample means would have values as small as 80 mm or
about
even smaller.
Transcribed Image Text:The adult body lengths of deer mice (excluding the tail) vary approximately Normally, with mean u = 86 mm and standard deviation o = 8 mm. A researcher selects a random sample of 14 deer mice. For the following, fill in the blanks: (a) The probability that the sample mean body length would be less than 80 mm is Assuming that the population mean is 86 mm (considering 86 mm as our assumption): (b) If we repeat taking all possible samples of size 14 from the population, then only out of 1,000 sample means would have values as small as 80 mm or about even smaller.
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