NOTE: WRITE THE ANSWERS CLEARLY AND UNDERSTANDABLE TO SEE BECAUSE I AM HAVING A HARD TIME SEEING MESSY HANDWRITING, MUST BE IN A GOOD AND NEAT HANDWRITING!

ADDITIONAL NOTE: READ AND FOLLOW THE INSTRUCTION CAREFULLY BEFORE DOING THE TASK, FOLLOW THE INSTRUCTION CAREFULLY

Direction: Solve and answer the following problem below. Make sure to show the complete solutions. Make sure to write the answers in clear, neat, and good handwriting.

PROBLEM 1

1) Let x be a continuous random variable with density function f(x) = (x+7) for 1

PROBLEM 2

2) Assume that 95.4% of grade 11 students have heights between 1.35 and 1.75m and the data are normally distributed.

a. Find the mean

b. Compute the standard deviation

c. Construct the normal curve