A manufacturing process is turning out parts with a dimension having a normal distribution. The mean...
A manufacturing process is turning out parts with a dimension having a normal distribution. The mean of this dimension is 50.0 mm with a standard deviation of 1.2 mm. Approximately what percentage of parts will have a dimension greater than 48 mm?
Homework Answers
Add Answer to:
A manufacturing process is turning out parts with a dimension
having a normal distribution. The mean...
Let X be a random variable with a normal distribution having a mean of 30 and...
Let X be a random variable with a normal distribution having a mean of 30 and a known standard deviation of 16. What is the probability that X is greater than 50? A- 0.1056 B- 0.6057 C- 0.3944 D- 0.8944
(1 point) The summer monsoon rains in India follow approximately a Normal distribution with mean ...
(1 point) The summer monsoon rains in India follow approximately a Normal distribution with mean 852 millimeters (mm) of rainfall and standard deviation 82 mm. Note: Use Table A to nnd the proportion or percentage below (a) In the drought year 1987, 697 mm of rain fell. In what percent of all years will India have 697 mm or less of monsoon rain? (b) "Normal rainfall. means within 20% or the long-term average, or between 683 mm and 1022 mm...
4. If a process creates a part with a diameter that follows a normal distribution with...
4. If a process creates a part with a diameter that follows a normal distribution with a mean value of 106.7 mm and a standard deviation of 1.8 mm, in what range of diameters will 95% of the parts produced occur? Give your answer in the form of 106.7 x mm.
A manufacturing process is in-control and centered. A critical quality characteristic is normally distributed with a...
A manufacturing process is in-control and centered. A critical quality characteristic is normally distributed with a mean of 20 and a standard deviation of 2. The DPMO of the process is 318. (1) What is the upper specification limit for the characteristic? (2) The daily production rate is 1000 parts. How many parts per day would you expect to have a dimension less than 21 but greater the 19.5? (3) A 3-sigma Xbar chart based on a sample of size...
15. Manufactured Machine Parts A manufacturing process produces machine parts with measurements the standard deviation of...
15. Manufactured Machine Parts A manufacturing process produces machine parts with measurements the standard deviation of which must be no more than 0.52 mm. A random sample of 20 parts in a given lot revealed a standard deviation in measurement of 0.568 mm. Is there sufficient evidence at a = 0.05 to conclude that the standard deviation of the parts is out- side the required guidelines?
Given a standardized normal distribution (with a mean of 0 and a standard deviation of 1),...
Given a standardized normal distribution (with a mean of 0 and a standard deviation of 1), complete parts (a) through (d). a. What is the probability that Z is less than 1.03? b. What is the probability that Z is greater than −0.26? c. What is the probability that Z is less than −0.26 or greater than the mean? d. What is the probability that Z is less than −0.26 or greater than 1.03?
27. On a standardized test with a normal distribution, the mean was 64.3 and the standard...
27. On a standardized test with a normal distribution, the mean was 64.3 and the standard deviation was 5.4. What is the best approximation of the percent of scores that fell between 61.6 and 75.1? 28. The mean of a normally distributed set of data is 52 and the standard deviation is 4. Approximately 95% of all the cases will lie between which measures? 29. Battery lifetime is normally distributed for large samples. The mean lifetime is 500 days and...
1. What is the mean of a binomial distribution with n = 8 trials and p...
1. What is the mean of a binomial distribution with n = 8 trials and p = 0.15? 2. The area under a normal curve represents the: probability of an event occurring Z-score standard deviation mean 3. A manufacturing process outputs parts having a normal distribution with a mean of 30 cm and standard deviation of 2 cm. From a production sample of 80 parts, what proportion of the sample can be expected to fall between 28 and 32 cm?...
A manufacturing process makes rods that vary slightly in length but follow a normal distribution with...
A manufacturing process makes rods that vary slightly in length but follow a normal distribution with mean length 25 cm and standard deviation 2.60. What is the probability of randomly selecting a rod that is shorter than 22 cm? P(X<22)=P(Z< ) = Round your z-score and probability to four decimal places. The time a song plays on the radio varies from song to song. The time songs play varies according to a normal distribution with mean of 3.2 minutes and a...
In a normal distribution of measurements having a mean of 500 feet and a standard deviation...
In a normal distribution of measurements having a mean of 500 feet and a standard deviation of 50 feet, what percent of the distribution falls between 490 and 520 feet?
(1 point) The summer monsoon rains in India follow approximately a Normal distribution with mean 852 millimeters (mm) of rainfall and standard deviation 82 mm. Note: Use Table A to nnd the proportion or percentage below (a) In the drought year 1987, 697 mm of rain fell. In what percent of all years will India have 697 mm or less of monsoon rain? (b) "Normal rainfall. means within 20% or the long-term average, or between 683 mm and 1022 mm...
4. If a process creates a part with a diameter that follows a normal distribution with a mean value of 106.7 mm and a standard deviation of 1.8 mm, in what range of diameters will 95% of the parts produced occur? Give your answer in the form of 106.7 x mm.
15. Manufactured Machine Parts A manufacturing process produces machine parts with measurements the standard deviation of which must be no more than 0.52 mm. A random sample of 20 parts in a given lot revealed a standard deviation in measurement of 0.568 mm. Is there sufficient evidence at a = 0.05 to conclude that the standard deviation of the parts is out- side the required guidelines?
27. On a standardized test with a normal distribution, the mean was 64.3 and the standard deviation was 5.4. What is the best approximation of the percent of scores that fell between 61.6 and 75.1? 28. The mean of a normally distributed set of data is 52 and the standard deviation is 4. Approximately 95% of all the cases will lie between which measures? 29. Battery lifetime is normally distributed for large samples. The mean lifetime is 500 days and...
Most questions answered within 3 hours.
-
284 mL of a 0.52 M potassium hydroxide solution is added to 467
mL of a...
asked 19 minutes ago -
exercise on VSEPR and molecular structrue.
octahedral
SeCl62-
TeCl62-
ClF62-
distorted
SeF62–
IF6–
asked 20 minutes ago -
Little’s Law: Val d’Costa is a world famous ski village in the
French Alps. Because of...
asked 1 hour ago -
Find the absolute error D for the calculation if A + B/C=D A=
9.4 +/- 0.4...
asked 1 hour ago -
New Air Heating and Cooling, manufactures furnaces and central
air units. The company pride itself on...
asked 1 hour ago -
A coach uses a new technique to train gymnasts. Seven
gymnasts were randomly selected and their...
asked 3 hours ago -
While rotating the tires on your car you notice a rock [mass =
0.1 Kg] stuck...
asked 5 hours ago -
Using MARS simulator, write MIPS programs according to
the following scenarios: Receive a positive integer number...
asked 7 hours ago -
An object in front of a concave mirror has a real image that is
11.5 cm...
asked 7 hours ago -
Consider the reaction, C3 H8 + O2 --> CO2 + H2O. How many
moles of O2...
asked 9 hours ago -
You and your opponent both roll a fair die. If you both roll the
same number,...
asked 9 hours ago -
In a study of the accuracy of fast food drive-through orders,
Restaurant A had 257 accurate...
asked 9 hours ago