Solved

How Many Observations Should Be Made If She Wants to Be

Question 100

Multiple Choice

How many observations should be made if she wants to be 0.8664 confident that the maximum error in the observed time is 0.5 second? Assume that the standard deviation of the task time is 4 seconds.


A) 10
B) 12
C) 120
D) 144
E) 169

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions