stat

posted by .

given an exponential distribution with mean = 30 what is the probability that the arrival time is a) less than X = 0.1 B) greater than X = 0.1 c) between X=0.1 and X =0.2 d) less than X =0.01 or greater than X = 0.2

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. stat

    the time between unplanned shutdowns of a power plant has an exponential distribution with a mean of 20 days. Find the probability that the time between two unplanned shutdow is a) less than 14 days B) more than 21 days c) less than …
  2. Statistics

    Let x and y be the amounts of time (in minutes) that a particular commuter must wait for a train on two independently selected days. Define a new random variable w by w = x + y, the sum of the two waiting times. The set of possible …
  3. statistics

    Let x and y be the amounts of time (in minutes) that a particular commuter must wait for a train on two independently selected days. Define a new random variable w by w = x + y, the sum of the two waiting times. The set of possible …
  4. Statistics

    For a negatively skewed distribution with a mode of X = 25 and a median of 20, the mean is probably ____. a. greater than 25 b. less than 20 c. between 20 and 25 d. cannot be determined from the information given
  5. Statistics

    Waiting times to receive food after placing an order at the sandwich shop follow an exponential distribution with a mean of 46 seconds.?
  6. Calculus

    In the next questions, a particle is moving along a horizontal line according to the formula: s=2t^4-4t^3+2t^2-1 a) the particle is moving right when A. 0 is less than t is less than 1/2 B. t is greater than 0 C. t is greater than …
  7. Statistics

    The length of time for one individual to be served at a cafeteria is a random variable having an exponential distribution with a mean of 4 minutes. What I the probability that a person is served in less than 3 minutes on at least 4 …
  8. probability

    The length of time for one individual to be served at a cafeteria is a random variable having an exponential distribution with a mean of 4 minutes. What is the probability that a person is served in less than 3 minutes on at least …
  9. Stat

    Suppose that a principal of a local high school tracks the number of minutes his students spend texting on a given school day. He finds that the distribution of minutes spent texting is roughly normal with a mean of 60 and a standard …
  10. math

    7. The tennis team is selling key chains as a fundraiser. If its goal is to raise is at least 180, how many key chains must it sell at $2.25 each to meet that goal?

More Similar Questions