# Question

Refer to Exercise 6.14 and find the probability that the observed May rainfall will fall within two standard deviations of the mean May rainfall.

## Answer to relevant Questions

Explain what the mean, μ, tells us about a normal curve, and explain what the standard deviation, σ, tells us about a normal curve. Suppose that the random variable x is normally distributed with mean m 1,000 and standard deviation s 100. Sketch and find each of the following probabilities: a. P(1,000 ≤ x ≤ 1,200) b. P(x > 1,257) c. P(x < 1,035) ...A filling process is supposed to fill jars with 16 ounces of grape jelly. Specifications state that each jar must contain between 15.95 ounces and 16.05 ounces. A jar is selected from the process every half hour until a ...Suppose that x has a binomial distribution with n = 200 and p = .4. a. Show that the normal approximation to the binomial can appropriately be used to calculate probabilities about x. b. Make continuity corrections for ...Repeat Exercise 6.48 with λ= 3 In Exercise 6.48 Suppose that the random variable x has an exponential distribution with 2. a. Write the formula for the exponential probability curve of x. What are the possible values of x? ...Post your question

0