THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 130

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
Let the random variable X follow a normal distribution with a mean of 61.7 and a standard deviation of 5.2.
-What proportion of the total area under the normal curve is within ± two standard deviations of the mean?

• A)About 50%
• B)About 68%
• C)About 95%
• D)About 99.7%

Recognize the role of mutations and natural selection in generating genetic diversity and evolution.

Understand the concept of aggregate income and consumption.

Calculate errors in consumption function predictions.

Analyze best and worst fits for consumption functions based on provided data.