Homework Help: statistics

Posted by lexi on Wednesday, October 24, 2012 at 5:24pm.

suppose x is a uniform random variable with c=30 and d=80 find the probability that a randomly selected observation exceeds 50

this is the direct question, i have no idea how to work this problem, please help

statistics - PsyDAG, Thursday, October 25, 2012 at 1:26pm
I have no idea what c and d indicate.

Z = (score-mean)/SD

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z score.

Answer this Question

Related Questions

Statistics - Suppose x is a uniform random variable with c=10 and d=90. Find the...
Statistics - Suppose x is a uniform random variable with c = 40 and d = 50. Find...
statistics - suppose x is a uniform random variable with c=40 ana d= 70 find ...
statistics - Suppose x is a uniform random variable with c=10 and d=70. Find the...
statistics - suppose x is a uniform random variable with c == 40 and d ==70 . ...
Stats - Suppose X is a uniform random variable with C = 20 and d = 90. Find the ...
Statistics - Suppose that the birth weight of newborn babies in the U.S is ...
Statistics - A shoe store knows that the purchase amount by its customers is a ...
statistics - government data assign a single case or each death that occurs in ...
statistics - The average age of statistics students nationwide is 22. The ...

For Further Reading

First Name:
School Subject:
Answer: