In a survey of 9 people, it was found that an average of $37 was spent on their child's last birthday gift with a standard deviation of $16. Estimate the mean amount people spent on their child's last birthday gift with 99% confidence. Round your answers to three decimal places, and use four decimal places for any interim calculations. We are 99% confident that the interval amount spent on their child's last birthday gift. Which conditions are required for the validity of the interval? Select all that apply. n known fl Uo known contains the true population mean μ Random sample Normal population
In a survey of 9 people, it was found that an average of $37 was spent on their child's last birthday gift with a standard deviation of $16. Estimate the mean amount people spent on their child's last birthday gift with 99% confidence. Round your answers to three decimal places, and use four decimal places for any interim calculations. We are 99% confident that the interval amount spent on their child's last birthday gift. Which conditions are required for the validity of the interval? Select all that apply. n known fl Uo known contains the true population mean μ Random sample Normal population
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 4CYU
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![In a survey of 9 people, it was found that an average of $37 was spent on their child's last birthday gift with
a standard deviation of $16. Estimate the mean amount people spent on their child's last birthday gift with
99% confidence. Round your answers to three decimal places, and use four decimal places for any interim
calculations.
We are 99% confident that the interval
amount spent on their child's last birthday gift.
contains the true population mean μ
Which conditions are required for the validity of the interval? Select all that apply.
μl known
o known
Random sample
Normal population](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff88b5752-dd79-4075-bd91-33bc819dbb89%2F4c3ae7fd-9380-426d-aa71-e6735f024f26%2Ftagxjgh_processed.png&w=3840&q=75)
Transcribed Image Text:In a survey of 9 people, it was found that an average of $37 was spent on their child's last birthday gift with
a standard deviation of $16. Estimate the mean amount people spent on their child's last birthday gift with
99% confidence. Round your answers to three decimal places, and use four decimal places for any interim
calculations.
We are 99% confident that the interval
amount spent on their child's last birthday gift.
contains the true population mean μ
Which conditions are required for the validity of the interval? Select all that apply.
μl known
o known
Random sample
Normal population
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