In: Statistics and Probability
1.) Using excel. A random number generator
picks a number from one to nine in a...
1.) Using excel. A random number generator
picks a number from one to nine in a uniform manner.
- X ~ _________
- Graph the probability distribution.
- f(x) = _________
- μ = _________
- σ = _________
- P(3.5 < x < 7.25) = _________
- P(x > 5.67)
- P(x > 5|x > 3) =
_________
- Find the 90th percentile.
2) using excel A subway train on the Red Line
arrives every eight minutes during rush hour. We are interested in
the length of time a commuter must wait for a train to arrive. The
time follows a uniform distribution.
- Define the random variable. X = _______
- X ~ _______
- f(x) = _______
- μ = _______
- σ = _______
- Find the probability that the commuter waits less than one
minute.
- Find the probability that the commuter waits between three and
four minutes.