statistics
posted by Michelle .
the average amount of rain per year in Greenville is 49 inches. the standard deviation is 8 inches. find the probability that nest year greeville will receive the following amount of rainfall. assume the variable is normally distributed.
a) At most 55 inches of rain
b) at least 62 inches of rain
c) Between 46 and 55 inches of rain
d) How many inches of rain would you consider to be an extremely wet year?

SOMEONE ANSWER
Respond to this Question
Similar Questions

statistics
The amount of snow fall falling in a certian mountain range is normally distributed with a mean of 83 inches, and a standard deviation of 16 inches. What is the probability that the mean annual snowfall during 64 randomly picked years … 
Statistics
The heights of 18yearold men are approximately normally distributed with mean 68 inches and standard deviation 3 inches. What is the probability that the average height of a sample of ten 18yearold men will be less than 70 inches? 
math
Suppose the yearly rainfall totals for a some city follow a normal distribution, with mean of 18 inches and standard deviation of 6 inches. For a randomly selected year, what is the probability, P, that total rainfall will be in each … 
statistics
The height of 18yearold men are approximately normally distributed, with mean of 68 inches and a standard deviation of 3 inches. What is the probability that an 18yearold man selected at random is between 67 and 69 inches tall? 
statistics
Assume the monthly rainfall in a certain state is normally distributed with a mean of 2.85 inches and a standard deviation of .2 inches: a) probability that in any given month there is between 2.7 and 2.9 inches of rainfall b) probability … 
Statistics
The amount of rainfall in January in a certain city is normally distributed with a mean of 4.2 inches and a standard deviation of 0.5 inches. Find the value of the quartile Q1 
statistics
Solve the problem. Round to the nearest tenth unless indicated otherwise. The amount of rainfall in January in a certain city is normally distributed with a mean of 4.3 inches and a standard deviation of 0.3 inches. Find the value … 
Statistics
The heights of 18 year old men are approximately normally distributed, with a mean of 67 inches and a standard deviation of 5 inches. What is the probability an 18 year old man selected at random is between 66 and 68 inches? 
Math
The annual precipitation for one city is normally distributed with a mean of 329 inches and a standard deviation of 2.6 inches. Find the probability that a randomly selected year will have more than 323.8 inches of rain. Express the … 
algebra
The amount of rainfall in January in a certain city is normally distributed with a mean of 4.3 inches and a standard deviation of 0.3 inches. Find the value of the quartile Q1.