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Time left 0:32:44 Question 4 Not yet answered Marked out of 1.00 Flag question A company producing air conditioning unit
Question 4 Not yet answered Marked out of 1.00 Flag question A company producing air conditioning units should decide how many units have to be tested for quality purposes. The data is normally distributed with a mean of 108 and a variance of 34. How large must the random sample be if he wants the standard error of the sample average to be 1.5? g. 13 b. 16 O C. 22 O d. 8
Time left 0:32:44