Question

In: Statistics and Probability

Assume that round widgets from a manufacturing process have diameters that are normally distributed with mean...

Assume that round widgets from a manufacturing process have diameters that are normally distributed with mean 175.25 centimeters and standard deviation 2.35 centimeters. The chances that a randomly selected widget has diameter less than 166 centimeters is closest to which of the following? a. 1 out of 25,000 b. 1 out of 50,000 c. 1 out of 5,000 d. 1 out of 1,000

Solutions

Expert Solution


Related Solutions

Assume that round widgets from a manufacturing process have diameters that are normally distributed with mean...
Assume that round widgets from a manufacturing process have diameters that are normally distributed with mean 175.25 centimeters and standard deviation 2.35 centimeters. The chances that a randomly selected widget has diameter less than 166 centimeters is closest to which of the following
precision manufacturing: a process manufactures ball bearings with diameters that are normally distributed with mean 25.0...
precision manufacturing: a process manufactures ball bearings with diameters that are normally distributed with mean 25.0 millimeters and standard deviation 0.07 millimeter. (a) find the 60th percentile of the diameters. (b) find the 67th percentile of the diameters. (c) a hole is to be designed so that 2% of the ball bearings will fit through it. the bearings that fit through the hole will be melted down and remade. what should the diameter of the hole be? (d)between what 2...
A manufacturing process produces bags of cookies that have Normally distributed weights with a mean of...
A manufacturing process produces bags of cookies that have Normally distributed weights with a mean of μ = 15.5 oz. and a standard deviation of σ = 0.4 oz. What is the probability that a randomly selected bag weighs more than 15.2 oz? What is the probability that 16 randomly selected bags have a mean weight that exceeds 15.2 oz?
The diameters of bolts produced in a machine shop are normally distributed with a mean of...
The diameters of bolts produced in a machine shop are normally distributed with a mean of 5.34 millimeters and a standard deviation of 0.03 millimeters. Find the two diameters that separate the top 8% and the bottom 8%. These diameters could serve as limits used to identify which bolts should be rejected. Round your answer to the nearest hundredth, if necessary
The diameters of bolts produced in a machine shop are normally distributed with a mean of...
The diameters of bolts produced in a machine shop are normally distributed with a mean of 5.58 millimeters and a standard deviation of 0.04 millimeters. Find the two diameters that separate the top 5%and the bottom 5%. These diameters could serve as limits used to identify which bolts should be rejected. Round your answer to the nearest hundredth, if necessary. Answer TablesKeypad If you would like to look up the value in a table, select the table you want to...
The diameters of bolts produced in a machine shop are normally distributed with a mean of...
The diameters of bolts produced in a machine shop are normally distributed with a mean of 5.67 millimeters and a standard deviation of 0.03 millimeters. Find the two diameters that separate the top 9% and the bottom 9%. These diameters could serve as limits used to identify which bolts should be rejected. Round your answer to the nearest hundredth, if necessary.
The diameters of bolts produced in a machine shop are normally distributed with a mean of...
The diameters of bolts produced in a machine shop are normally distributed with a mean of 5.18 millimeters and a standard deviation of 0.07 millimeters. Find the two diameters that separate the top 3% and the bottom 3%. These diameters could serve as limits used to identify which bolts should be rejected. Round your answer to the nearest hundredth, if necessary.
The diameters of Red Delicious apples in a certain orchard are normally distributed with a mean...
The diameters of Red Delicious apples in a certain orchard are normally distributed with a mean of 2.63 inches and a standard deviation of 0.25 inches. a. What percentage of the apples in the orchard have diameters less than 1.95 inches? b. What percentage of the apples in the orchard have diameters larger than 2.90 inches? c. If a crate of 200 apples is selected from the orchard, approximately how many apples would you expect to have diameters greater than...
The diameters of ball bearings are distributed normally. The mean diameter is 89 millimeters and the...
The diameters of ball bearings are distributed normally. The mean diameter is 89 millimeters and the standard deviation is 5 millimeters. Find the probability that the diameter of a selected bearing is between 91 and 97 millimeters. Round your answer to four decimal places.
1)The diameters of bolts produced by a certain machine are normally distributed with a mean of...
1)The diameters of bolts produced by a certain machine are normally distributed with a mean of 0.30 inches and a standard deviation of 0.01 inches. What is the probability of selecting a bolt at random that has a diameter larger than 0.328 inches? 2) The diameters of pencils produced by a certain machine are normally distributed with a mean of 0.30 inches and a standard deviation of 0.01 inches. What is the probability that the diameter of a randomly selected...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT