Recent content by bunnypatotie

1. You are working in a company facing attrition problems of the customer service representatives for the past five years. The company president proposed that if the attrition rate is at least 10 per month, then the salary scale, compensation package, and professional development programs for...

1. The Head of the Mathematics Department announced that the mean score of Grade 11 students in the second periodical test in Statistics was 89, and the standard deviation was 12. One student believed that the mean score was less than this, randomly selected 34 students, computed their mean...

Got it, tysm.

I meant no. 3 sorry. I'm done with nos. 1, 2 and 4 already. Haven't started with no. 3 yet because I don't have any idea how to really solve this problem

I'm done with items 1, 3 and 4. I'm stuck with item no. 2 since I don't have any idea how to solve this problem.

I'm already done with numbers 1, 3 and 4. I'm stuck with no.2 since I have no idea how to solve it

1.\[ \int x^2 e^{x^3} dx \] 2. \[ \int sin(2x-3)dx \] 3. \[ \int (\cfrac {3dx}{(x+2)\sqrt {x^2+4x+3}} ) \] 4. \[ \int (\cfrac {x^3}{(x^2 +4)^\cfrac {3}{2}} )dx \]

1. One of the few negative effects of quitting smoking is weight gain. The data below shows the weight gain (in pounds) of 18 respondents 12 months after they quit. If the mean gain follows a normal distribution with a standard deviation of 9 pounds, estimate the mean weight gain of the 18...

1. Individual students’ scores on a national test have a normal distribution with a mean of 18.5 and a standard deviation of 7.8. At a Trade School, 84 students took the test. If the scores at this school have the same distribution as national scores, what is the mean, standard deviation and...