1.Vocabulary and R functions

a) What is a normal distribution? _________________ A very detailed and significant answer is required

b) What does the pnorm() function do?_________________________ A very detailed and significant answer is required

2. Task

If you know the mean and standard deviation of a normally distributed population, and somebody asks you questions about the highest 1% and lowest 1% of numbers in that population, what could you tell them? Pick your own values for the mean and standard deviation and then answer the question for those values. Choose one of these R functions to answer the question: dnorm(), pnorm(), qnorm(), rnorm().

Please provide an answer with the full details and explanation. Don't just. copy. and. paste the answers from any website; I run the answers throw a pla.giarism. checker. Thanks

Thanks in advance