Question
From a random sample of 36 fish caught in a sample, the mean length X and sample standard deviation (sd) were found to be 30 cm and 6 cm respectively. If at 95% confidence level z is 1.96, then the mean length of fish in this population is in the range :
A 27 < X < 33
B 27.5 < X < 32.5
C 24 < X < 36
D 28.04 < X < 32
View Answer
Answer & Explanation
Answer:28.04 < X < 32
