# Question: Use the gure to answer the questions that follow a What

Use the ﬁgure to answer the questions that follow:

(a) What is µ?

(b) What is σ?

(c) Suppose that the area under the normal curve to the left of x = 10 is 0.9332. Provide two interpretations for this area.

(d) Suppose that the area under the normal curve between x = 5 and x = 8 is 0.5328. Provide two interpretations for this area.

(a) What is µ?

(b) What is σ?

(c) Suppose that the area under the normal curve to the left of x = 10 is 0.9332. Provide two interpretations for this area.

(d) Suppose that the area under the normal curve between x = 5 and x = 8 is 0.5328. Provide two interpretations for this area.

## Relevant Questions

Draw a standard normal curve and shade the area to the right of z = 2.04. Then ﬁnd the area of the shaded region. The waist circumference of males 20 to 29 years old is approximately normally distributed, with mean 92.5 cm and standard deviation 13.7 cm. (a) Use the normal model to determine the proportion of 20- to 29-year-old males ...Imagine that a friend of yours is always late. Let the random variable X represent the time from when you are supposed to meet your friend until he shows up. Suppose your friend could be on time (x = 0) or up to 30 minutes ...The lives of refrigerators are normally distributed with mean µ = 14 years and standard deviation σ = 2.5 years. (a) Draw a normal curve with the parameters labeled. (b) Shade the region that represents the proportion of ...Determine the area under the standard normal curve that lies to the right of (a) z = -3.01 (b) z = -1.59 (c) z = 1.78 (d) z = 3.11 Find the indicated areas. Be sure to draw a standard normal curve and shade the area that ...Post your question