Pipes are produces with a mean diameter of 3 inches and a standard deviation of .08 inches. The pipe must be discarded is the diameter is below 2.85 inches or greater than 3.15 inches. It is safe to assume that the distribution is normally distributed. What proportion of parts must be discarded? .06 15 42 .68

Q: The distribution of the lengths of a commercially caught fish is bell-shaped with mean 24 cm and…

A: the PDF of normal distribution is = 1/σ * √2π * e ^ -(x-u)^2/ 2σ^2standard normal distribution is a…

Q: ssume that the Richter scale magnitudes of earthquakes are normally distributed with a mean of 1.157…

A: Given that μ=1.157 & σ=0.532

Q: An assembly-line machine turns out washers with the following thicknesses (in millimeters). Find the…

A:

Q: The mean yearly rainfall in Sydney, Australia, is about 137 mm and the standard deviation is about…

A: Given Mean =137 Standard deviations=69

Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 266.9…

A: Given: μ=266.9σ=15.4α=1-0.68=0.32

Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…

A: It is given that the mean is 0 and the standard deviation is 1.

Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…

A:

Q: c. The 95th percentile for novels is words. (Round to the nearest word) d. The middle 40% of romance…

A: Given, Number of words in romance novel follows normal distribution with mean 64,169 and standard…

Q: Length of skateboards in a skateshop are normally distributed with a mean of 31.9 in and a standard…

A:

Q: Given a normal distribution with mean 100 and standard deviation​ 10, find the number of standard…

A:

Q: instructor gives a 100-point examination in which the grades are normally distributed. The mean is…

A: It is given that  Mean, μ = 66 Standard deviation, σ = 5

Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…

A: the PDF of normal distribution is = 1/σ * √2π * e ^ -(x-u)^2/ 2σ^2standard normal distribution is a…

Q: A vertical line drawn through a normal distribution at z = -0.60 separates the distribution into two…

A: A standard normal variable z follows normal distribution with mean 0 and standard deviation 1.

Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…

A:

Q: Sketch a standard normal curve and shade the area that lies to the right of a. - 1.03, b. 0.6, c. 0,…

A:

Q: Use a table of cumulative areas under the normal curve to find the z-score that corresponds to the…

A: It is given that The cumulative area is 0.051

Q: Sketch a standard normal curve and shade the area that lies to the left of a. 2.19, b. - 1.63, c. 0,…

A: As per our guidelines we can solve first three sub part of question and rest can be reposted.…

Q: Use a table of cumulative areas under the normal curve to find the​ z-score that corresponds to the…

A: The cumulative area is 0.047.

Q: Sketch a standard normal curve and shade the area that lies to the right of a. - 1.03, b. 0.6, c. 0,…

A: A continuous random variable Z is said to follow Standard Normal distribution if its probability…

Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…

A: Standard Normal Table.

Q: Given a normal distribution with mean 100 and standard deviation 10, find the number of standard…

A: Given a normal distribution with mean 100 and standard deviation 10. The measurement is X=111.1.

Q: The average number of strawberries that come in a pint is 27.9, with a standard deviation of 7.8.…

A:

Q: Men's heights are normally distributed with a mean of 68.6 inches and a standard deviation of 2.9…

A:

Q: m. Choose the correct graph below. 27 Q ecimal places as needed.) B. A 0.27 Q

A: Given that.   X~N( 0 , 1 )   μ=0 , ?=1 (for standard normal distribution)   Z-score =( x - μ )/?

Q: The distribution of head circumference for full term newborn female infants is approximately normal…

A:

Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…

A: The mean and standard deviation are 0 and 1, respectively.

Q: A gear has been designed to have a diameter of 4 inches. The standard deviation of the process is…

A: Given the control chart, lets analyze the data.×Out of control, because there are nine consecutive…

Q: Use a table of cumulative areas under the normal curve to find the z-score that corresponds to the…

A:

Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…

A: For the given problem, we need to find the probability that a given score is between -2.08 and 3.73…

Q: The average number of strawberries that come in a pint is 27.9, with a standard deviation of 7.8.…

A:

Q: The average production cost for major movies is 57 million dollars and the standard deviation is 23…

A: The average production cost for major movies is 57 million dollars and the standard deviation is 23…

Q: Use a table of cumulative areas under the normal curve to find the z-score that corresponds to the…

A: from given data we have : z-score = 0.051

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.