QUESTION 4 rom a population or students with an unknown standard deviation. To d

Question

QUESTION 4 rom a population or students with an unknown standard deviation. To determine the 98% confidence interval he approprate t va A sample of 40 s random y selected that should be used is: 2.423 O2.127 1.685 2.426 QUESTION 5 A sample of 40 is randomly selected from a population of students. To determine the 92% confidence interval for the population proportion, the appropriate z value th should be used is O008 O1.96 1.75 1.645 Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All Answers

Explanation / Answer

Q. 4. For 98 % confidence interval for 40 samples, appropriate t-value is 2,423.

For reference please go through -

https://www.medcalc.org/manual/t-distribution.php

Q. 5. For 92% confidence level for 40 random samples, approprate z-value is 1.75.

For reference please go through -

http://www.ltcconline.net/greenl/courses/201/estimation/smallConfLevelTable.htm

Hope this helps :)

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