00:01
Hello students, today we will discuss about this question.
00:04
In this question, we are given that a division of a certain toy company manufacturers and electronic football game, an efficiency study showed that the rate at which the games are assembled by the average workers, t hours after starting work at 8 a .m., that is 3 minus 3 divided by 2 t squared, plus 8 t plus 19 where 0 less than or equals to t less than or equals to 4 unit per hour.
00:38
Then here in part a we need to find the total number of games the average worker can be expected to assemble in 4 hour morning shift.
00:58
That is equal to question mark and in part b we need to find how many units.
01:05
So here we need to find the number of units that is equals to question mark that can average worker be expected to assemble in the first hour of the morning shift.
01:19
So here first of all we are given that m of t, sorry, here we are given that m of t that is equal to minus 3 divide by 2 t squared plus 4 t plus 90.
01:34
So here for the part a, m average, that is equals to 1 divided by b minus a integration a to b, m of t, dt, that is equals to integration 0 to 4, minus 3 divided by 2t square plus 4t plus 19 dt multiplied with 1 divide by 4 minus 0...