# Question: For the normal distribution described in Exercise 7 12 what is

For the normal distribution described in Exercise 7.12, what is the probability that a randomly selected tax preparation customer would have paid a fee

a. Between $150 and $180?

b. Under $140?

c. Over $220?

a. Between $150 and $180?

b. Under $140?

c. Over $220?

## Answer to relevant Questions

For the normal distribution described in Exercise 7.15, what is the probability that Jamal’s commuting time to work today will be a. Less than 29 minutes? b. Between 29 and 33 minutes? c. More than 32 minutes? It has been reported that households in the West spend an annual average of $6050 for groceries. Assume a normal distribution with a standard deviation of $1500. Source: David Stuckey and Sam Ward, “Home Cooked,” USA ...In a certain binomial distribution, π = 0.25 and n = 40. In using the normal approximation, a. What are the mean and standard deviation of the corresponding normal distribution? b. If x = the number of “successes” among ...What is the relationship between the Poisson distribution and the exponential distribution? A computer statistical package has simulated 2000 random observations from a normal distribution with μ = 80 and σ = 20. Sketch the approximate box-and whisker display for the resulting data.Post your question