Let be the density function for the shelf life of a brand of banana which lasts up to weeks. Time, , is measured in weeks and . Incorrect answer icon Your answer is incorrect. Find the mean shelf life of a banana using . Round your answer to one decimal place. Mean

The question is incomplete. The complete question is :

Let  be the density function for the shelf life of a brand of banana which lasts up to 4 weeks. Time, t, is measured in weeks and . Incorrect answer icon Your answer is incorrect. Find the mean shelf life of a banana using . Round your answer to one decimal place.

2.4

Step-by-step explanation:

 Given :

Mean :

= 2.4

Therefore, the mean is 2.4

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square