Question 1. Hemoglobin levels in 11-year-old boys vary according to a normal distribution with σ=1.2 g/dL. a) How large a sample is needed to estimate µ with 95% confidence, so the margin of error is no greater than 0.5 g/dL? b) How large a sample is needed to estimate µ with margin of error 0.5 g/dL with 99% confidence?
Question
1. Hemoglobin levels in 11-year-old boys vary according to a normal distribution with σ=1.2
g/dL.
a) How large a sample is needed to estimate µ with 95% confidence, so the margin of error is no greater than 0.5 g/dL?
Need assignment help for this question?
If you need assistance with writing your essay, we are ready to help you!
OUR PROCESS
Order
Payment
Writing
Delivery
Why Choose Us: Cost-efficiency, Plagiarism free, Money Back Guarantee, On-time Delivery, Total Сonfidentiality, 24/7 Support, 100% originality
b) How large a sample is needed to estimate µ with margin of error 0.5 g/dL with 99% confidence?
"Looking for a Similar Assignment? Order now and Get 10% Discount! Use Code "Newclient"
