Mathematics, 23.07.2019 00:10 isabellacampos4586
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?
Answers: 3
Mathematics, 21.06.2019 19:10
What is the quotient? x+5/ 3x²+4x+5 © 3x2 – 11 + x + s 3x – 11 + 60 x + 5 o 3x2 - 11 - 50 x + 5 3x – 11 - - x + 5
Answers: 3
Mathematics, 21.06.2019 20:00
15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m
Answers: 1
Astatistics student would like to estimate the average age of students at her college. she would lik...
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