Questions from Statistics

Q: Find the indicated probabilities and interpret the results. The mean

Find the indicated probabilities and interpret the results. The mean MCAT total score in a recent year is 500. A random sample of 32 MCAT total scores is selected. What is the probability that the mea...

Q: Use the fact that the variance of the Poisson distribution is σ2

Use the fact that the variance of the Poisson distribution is σ2 = µ. The mean number of bankruptcies filed per hour by businesses in the United States in 2016 was about 2.8. a. Find the variance and...

Q: Find the indicated probability using the geometric distribution. Find P

Find the indicated probability using the geometric distribution. Find P(8) when p = 0.28.

Q: Find the indicated probability using the Poisson distribution. Find P

Find the indicated probability using the Poisson distribution. Find P(4) when µ = 5.

Q: Find the indicated probability using the Poisson distribution. Find P

Find the indicated probability using the Poisson distribution. Find P(3) when µ = 6.

Q: Find the indicated probability using the Poisson distribution. Find P

Find the indicated probability using the Poisson distribution. Find P(2) when µ = 1.5.

Q: Find the indicated probability using the Poisson distribution. Find P

Find the indicated probability using the Poisson distribution. Find P(5) when µ = 9.8.

Q: In your own words, describe the difference between the value of

In your own words, describe the difference between the value of x in a binomial distribution and in a geometric distribution.

Q: Find three real-life examples of a continuous variable. Which

Find three real-life examples of a continuous variable. Which do you think may be normally distributed? Why?

Q: A z-score is 0. Which of these statements must

A z-score is 0. Which of these statements must be true? Explain your reasoning. a. The mean is 0. b. The corresponding x-value is 0. c. The corresponding x-value is equal to the mean.