random variables

posted by .

For the standard normal random variable Z, compute the following probabilities. For the following problems, use four decimal places.


16.
P (0 less than or equal to Z less than or equal .9)

17.
P (-1.3 less than or equal to Z less than or equal to)

18.
P(Z > 2.5)

19.
P(Z greater than or equal to -.75)

20.
P(Z < .05)

21.
P (Z less than or equal to -.72)

  • random variables -

    Assuming that you mean the Z score (Z = (score-mean)/Standard deviation), find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions related to the above Z scores.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. stats

    Continuous Random Variable, I Let X be a random number between 0 and 1 produced by the idealized uniform random number generator described. Find the following probabilities: a.P(0less than or equal to X less than or equal to 0.4) b.P(0.4 …
  2. ap stats

    Continuous Random Variable, I Let X be a random number between 0 and 1 produced by the idealized uniform random number generator described. Find the following probabilities: a.P(0less than or equal to X less than or equal to 0.4) b.P(0.4 …
  3. Statistics

    Let Y be a random number between 0 and 1 generated by an idealized random number generator. Find the following probabilities: A. P (0 less than equal to Y less than equal to .6) =?
  4. random variables

    For the standard normal random variable Z, compute the following probabilities. For the following problems, use four decimal places. 16. P (0 ¡Ü Z ¡Ü .9) 17. P (-1.3 ¡Ü Z ¡Ü 0) 18. P(Z > 2.5) 19. P(Z ¡Ý -.75) 20. P(Z < …
  5. statistics

    Let x be a continuous random variable that is normally distributed with a mean of 24 and a standard deviation of 7. Find the probability that x assumes a value between 27.5 and 59.0. Use Table IV in Appendix C to compute the probabilities. …
  6. statistics

    Given that z is a standard normal random variable, compute the following probabilities (to 4 decimals). P(z -1.0) P(z -1.0) P(z -1.5) P(z -2.5) P(-3 < z 0)
  7. statistics

    Given that z is a standard normal random variable, compute the following probabilities (to 4 decimals). P(z -1.0) P(z -1.0) P(z -1.5) P(z -2.5) P(-3 < z 0)
  8. statistics

    Given that z is a standard normal random variable, compute the following probabilities (to 4 decimals). P(z -1.0) P(z -1.0) P(z -1.5) P(z -2.5) P(-3 < z 0)
  9. statistics; emergency please help me

    Given that z is a standard normal random variable, compute the following probabilities (to 4 decimals). c. P(z -1.5) d. P(z -2.5)
  10. statistics; emergency please help me

    Given that z is a standard normal random variable, compute the following probabilities (to 4 decimals). a. P(z -1.5) b. P(z -2.5)

More Similar Questions