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 :

​

Answer 1

Answer:

----------------------//\\

---------------------// ¤ \\

---------------------\\ ¤ //

---------------------- \\//

-------------------- (___)

---------------------(___)

---------------------(___)

---------------------(___)_________

--------\_____/\__/----\__/\_____/

------------\ _°_[------------]_ _° /

----------------\_°_¤ ---- ¤_°_/

--------------------\ __°__ /

---------------------|\_°_/|

---------------------[|\_/|]

---------------------[|[¤]|]

---------------------[|;¤;|]

---------------------[;;¤;;]

--------------------;;;;¤]|]\

-------------------;;;;;¤]|]-\

------------------;;;;;[¤]|]--\

-----------------;;;;;|[¤]|]---\

----------------;;;;;[|[¤]|]|---|

---------------;;;;;[|[¤]|]|---|

----------------;;;;[|[¤]|/---/

-----------------;;;[|[¤]/---/

------------------;;[|[¤/---/

-------------------;[|[/---/

--------------------[|/---/

---------------------/---/

--------------------/---/|]

-------------------/---/]|];

------------------/---/¤]|];;

-----------------|---|[¤]|];;;

-----------------|---|[¤]|];;;

------------------\--|[¤]|];;

-------------------\-|[¤]|];

---------------------\|[¤]|]

----------------------\\¤//

-----------------------\|/

------------------------V

Answer 2

pohutakawa you have any questions please feel free ans 9