In the study of fingerprints, an important quantitative characteristic is the total ridge count for the 10 fingers of the individual. Suppose that the total ridge counts of individuals in a certain population are approximately normally distributed with a mean of 140 and a standard deviation of 50.
Find the probability that an individual picked at random from this population will have a ridge count of 200 or more.
In a population of 10,000 people how many would you expect to have a ridge count of 200 or more?© BrainMass Inc. brainmass.com December 24, 2021, 5:01 pm ad1c9bdddf
a) Denote the total ridge counts of individuals in a certain population by X. Then X is a random variable and approximately normally distributed with a mean of 140 and a standard deviation of 50, namely, ...
In about 135 words, this solution provides a step by step explanation of how to approach this mathematical-based problem which requires the formulation of equations to solve for the ridge count in a specific population. All calculations are provided.