Homework Help: math statistics

Posted by lora on Sunday, July 15, 2012 at 1:50pm.

For each probability and percentile problem, draw the picture.
A random number generator picks a number from 1 to 9 in a uniform manner.
1) Give the distribution of X.
X =
2) Enter an exact number as an integer, fraction, or decimal.
f(x) = where <=x=>
3) Enter an exact number as an integer, fraction, or decimal.
μ =
4)σ =
5)P(3.25 < X < 7.5) =
6)P(X > 3.67) =
7)P(X > 6 | X > 3) =
8)Find the 80th percentile. (Round your answer to one decimal place.)
Thank you

No one has answered this question yet.

Answer this Question

Related Questions

programming - Problem 6.9 Lottery Number Generator A lottery commission offers ...
statistics - The weight of a small Starbucks coffee is a random variable with a ...
Statistics - You draw three tickets at random with replacement from the box. ...
Statistics - Let Y be a random number between 0 and 1 generated by an idealized ...
statistics - Women’s heights are normally distributed with a mean of 162 cm...
Statistics am I correct? - Each of ten tickets is marked with a different number...
Maths - 1)A two-figure number is written down at random. Find the probability ...
Math - A number is drawn at random from {1,2,3,4,5,6}. What is the probability ...
ap stats need help - Continuous Random Variable, I Let X be a random number ...
Stats - Let Y be a random number between 0 and 1 produced by the idealized ...

For Further Reading

First Name:
School Subject:
Answer: