Question

Hemoglobin levels in 11-year old boys have a normal distribution with unknown

mean µ and σ(standard deviation) = 1.209 g/dl.

How large a sample is needed to estimate µ with 95% confidence and a margin of

error of 0.5?​

Answer 1

Answer:

sorry but I don't know

Step-by-step explanation:

aap Google par question likho aapko ans mil jayenge ok

Answer 2

Answer:

I also don't know

please search on google

I hope u will get the correct answer

Step-by-step explanation:

so sorry