# Question: The reading speed of sixth grade students is approximately normal with

The reading speed of sixth-grade students is approximately normal, with a mean speed of 125 words per minute and a standard deviation of 24 words per minute.

(a) What is the probability that a randomly selected sixth-grade student reads less than 100 words per minute?

(b) What is the probability that a randomly selected sixth-grade student reads more than 140 words per minute

(c) What is the probability that a randomly selected sixth-grade student reads between 110 and 130 words per minute?

(d) Would it be unusual for a sixth-grader to read more than 200 words per minute? Why?

(a) What is the probability that a randomly selected sixth-grade student reads less than 100 words per minute?

(b) What is the probability that a randomly selected sixth-grade student reads more than 140 words per minute

(c) What is the probability that a randomly selected sixth-grade student reads between 110 and 130 words per minute?

(d) Would it be unusual for a sixth-grader to read more than 200 words per minute? Why?

## Answer to relevant Questions

The number of chocolate chips in an 18-ounce bag of Chips Ahoy! chocolate chip cookies is approximately normally distributed with a mean of 1262 chips and standard deviation 118 chips according to a study by cadets of the ...Ball bearings are manufactured with a mean diameter of 5 millimeters (mm). Because of variability in the manufacturing process, the diameters of the ball bearings are approximately normally distributed, with a standard ...The time required for Speedy Lube to complete an oil change service on an automobile approximately follows a normal distribution, with a mean of 17 minutes and a standard deviation of 2.5 minutes. (a) Speedy Lube guarantees ...A random sample of 25 years between 1890 and 2011 was obtained, and the amount of snowfall, in inches, for Memphis was recorded. Use a normal probability plot to assess whether the sample data could have come from a ...The probability that more than 20 people want to see the marriage tax penalty abolished A discrete random variable is given. Assume the probability of the random variable will be approximated using the normal distribution. ...Post your question