In a sample of 45 randomly selected sightings, the first sightings of ruby throated humming birds on Long Island in 2019 had a mean of the 119.8th day and a standard deviation of 8.7 days. (This means that the average first sighting occurred on the 119.8th day of the year, or approximately April 30th). Use a 90% confidence interval to estimate the actual day of the year ruby-throated humming birds first migrated through Long Island in 2019. The actual mean day of the year ruby throated humming birds first migrated through Long Island in 2019 is between day and day of the year. Round your answers to 1 decimal place.
In a sample of 45 randomly selected sightings, the first sightings of ruby throated humming birds on Long Island in 2019 had a mean of the 119.8th day and a standard deviation of 8.7 days. (This means that the average first sighting occurred on the 119.8th day of the year, or approximately April 30th). Use a 90% confidence interval to estimate the actual day of the year ruby-throated humming birds first migrated through Long Island in 2019. The actual mean day of the year ruby throated humming birds first migrated through Long Island in 2019 is between day and day of the year. Round your answers to 1 decimal place.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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