JOIN ADRE 2.0 Telegram Group

 

Environmental Studies Short Question | Gkseries

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

Answer & Explanation

Answer:28.04 < X < 32

Advertisement
ADRE 2.0 Mock Test - 5 Start Test
ADRE 2.0 Mock Test - 5 Start Test

DOWNLOAD CURRENT AFFAIRS PDF FROM APP

ADRE 2.0 MOCK TEST

Take Mock Tests

Government Schemes Mock Test Start Test!
Political Science Mock Test – 42 Start Test
History Test – 190 Start Test
Quantitative Aptitude Test Start Test!
Data Interpretation - Mock Test Start Test!
General Awareness - Mock Test Start Test!
Reasoning Ability - Mock Test Start Test!
Advertisement