# Question

Refer to Exercise 6.11. What is the probability that the amount of new snow will be between 2 and 4 inches? Copy the graph from Exercise 6.11, shade the appropriate area, and report the numerical value of the probability.

In exercise

In exercise

## Answer to relevant Questions

The Empirical Rule applies rough approximations to probabilities for any unimodal, symmetric distribution. But for the Normal distribution we can be more precise. Use the figure and the fact that the Normal curve is ...Use a table or technology to answer each question. Include an appropriately labeled sketch of the Normal curve for each part. Shade the appropriate region. a. Find the probability that a z-score will be 1.76 or less. b. Find ...Stanford–Binet IQs for children are approximately Normally distributed and have µ = 100 and σ = 15. What is the probability that a randomly selected child will have an IQ of 115 or above? In Texas in 2010, the average critical reading SAT score was 484. Assume that the standard deviation is 100 and that SAT scores are normally distributed. Include an appropriately labeled and shaded Normal curve for each ...Suppose college men’s heights are approximately normally distributed with a mean of 70.0 inches and a population standard deviation of 3 inches. What height is at the 20th percentile? Include an appropriately labeled ...Post your question

0