Standard Population Error of the Problem Situation Given Variance Mean Known or Formula to Unknown bo Uned 5. An SHS teacher dams third the mefage time it takes a group of shadonts to complete the Mathematics examination is 50 5 menules with a variance of 17 64 minutes, She randomly selected 45 students and found to have a mean of 52 minutes and a blandand doviation of 3.5 minutes: She then used the z- dminibution to find out If the group ain complete the comm lasted than the population 5. A maniactuner of lightbulbs produces bulbs that last a mean off 800 hours with a standard deviation of 100 hours To assess the claim of the manufacturer, a rundam sample of 12 of these bulbs was tested and found to havein mean of 700 hours He then used the test Vanain Guide Questions: 1. How ware you able to doline the given values from each of the shuation givenT What pallern are you using in determining whether the population vananco is known or unknown? 3. How worm you able to identify the standard error of the mean to be usedActivity Proper General Directions! In unwering the poorches in the Loining And My Email LAS) plaza to remanded not to win amining love Road gach mobiles Extreino 1: Complete De labig Below by liing out the bocessary information Won the Srep on an your rottconce Standard Population Emor of the ProblemISHuation Variance Mean Formula to 1. Consider a population :Known dianitom the population. 2. The punct of the beguard Chan has 100 drugstores But that prevent a painon from routes His opinion minoger the pairs Isham wha 3. me meantheglide the School in 137:to em To find out five Uoloment in sun, a sample of 15 shadents In macon from the population: The minden of the standard dewinon 2,23 -m 4. Cantfor I population