In an analysis of healthcare data, ages have been rounded to the nearest multiple of 5 years. the difference between the true age and the rounded age is assumed to be uniformly distributed on the interval from - 2.5 years to 2.5 years. the healthcare data are based on a random sample of 48 people. what is the approximate probability that the mean of the rounded ages is within 0.25 years of the mean of the true ages? a. 0.14 b. 0.38 c. 0.57 d. 0.77 e. 0.88

The correct answer is D. 0.77

Step-by-step explanation:

Hence, the correct answer is 0.77

14.3

step-by-step explanation:

add all the numbers together.

9 + 12 + 15 + 16 + 17 + 17 = 86

now, divide 86 by how many numbers we have: 6.

86 / 6 = 14.3

check above link.

graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.