subject
Mathematics, 15.07.2019 21:30 TayJoker966

Astatistics student would like to estimate the average age of students at her college. she would like to be 99% confident that her estimate includes the actual college population mean. she did a smaller preliminary survey and found that a reasonable estimate of the population standard deviation was 2 1/2 years. how many people must she survey if she wants to be within 1/2 year of the true population mean? round off your answer to the nearest integrer.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 19:00
How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons
Answers: 1
question
Mathematics, 21.06.2019 20:30
Interest begins accruing the date of the transaction except for auto loans mortgages credit card cash advances credit card purchases
Answers: 1
question
Mathematics, 22.06.2019 00:00
What is the area of the shaded sector?
Answers: 2
question
Mathematics, 22.06.2019 01:30
What is the remainder when 3x^2-x-10 is divided by x-1 -6,-7,-8, or -9
Answers: 1
You know the right answer?
Astatistics student would like to estimate the average age of students at her college. she would lik...
Questions
question
Geography, 01.12.2020 22:20
question
Mathematics, 01.12.2020 22:20
question
Mathematics, 01.12.2020 22:20
question
Mathematics, 01.12.2020 22:20
question
Mathematics, 01.12.2020 22:20