What is the probability of observing at least 60 cardinal birds in 2012? (Hint: Apply a continuity correction where appropriate.)The observers wish to identify a normal range for the number of cardinal birds observed per year. The normal range will be defined as the interval (L, U), where L is the largest integer ≤ 15th percentile and U is the smallest integer ≥ 85th percentile . mean= 61.71standard deviation= 9.58probability of at least 60 birds in 2012 is 0.5714i was able to figure out all of this but am having trouble finding the exact interval. OrnithologyThe Christmas Bird Count (CBC) is an annual tradition inLexington, Massachusetts. A group of volunteers counts thenumber of birds of different species over a 1-day period.Each year, there are approximately 30-35 hours of obser-vation time split among multiple volunteers. The followingcounts were obtained for the Northern Cardinal (or cardinal,in brief) for the period 2005-2011.TABLE 5.9 Number of Cardinals observedYear2005200620072008Christmas Day, 2005-2011, Lexington,MassachusettsNumber76476353Year200920102011Note: Σ * = 432, Σx = 27,212i=1Number626962

The provided information is as follows:The mean is .The standard deviation is .The L is the largest…

What is the probability of observing at least 60 cardinal birds in 2012? (Hint: Apply a continuity correction where appropriate.) The observers wish to identify a normal range for the number of cardinal birds observed per year. The normal range will be defined as the interval (L, U), where L is the largest integer ≤ 15th percentile and U is the smallest integer ≥ 85th percentile . mean= 61.71 standard deviation= 9.58 probability of at least 60 birds in 2012 is 0.5714 i was able to figure out all of this but am having trouble finding the exact interval.

What is the probability of observing at least 60 cardinal birds in 2012? (Hint: Apply a continuity correction where appropriate.) The observers wish to identify a normal range for the number of cardinal birds observed per year. The normal range will be defined as the interval (L, U), where L is the largest integer ≤ 15th percentile and U is the smallest integer ≥ 85th percentile . mean= 61.71 standard deviation= 9.58 probability of at least 60 birds in 2012 is 0.5714 i was able to figure out all of this but am having trouble finding the exact interval.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 2GP

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Question

What is the probability of observing at least 60 cardinal birds in 2012? (Hint: Apply a continuity correction where appropriate.)

The observers wish to identify a normal range for the number of cardinal birds observed per year. The normal range will be defined as the interval (L, U), where L is the largest integer ≤ 15th percentile and U is the smallest integer ≥ 85th percentile .

mean= 61.71

standard deviation= 9.58

probability of at least 60 birds in 2012 is 0.5714

i was able to figure out all of this but am having trouble finding the exact interval.