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Question: 1. Select the lightest standard-weight steel pipe section to support an axial compressive load of 100 kN. The column is pin-connected at each end and has an unbraced length of 5.50 m. Use F y =240 MPa.
2. Select the lightest W14 shape for a column subjected to an axial compressive load of 360 kips. The unbraced length of the column is 24 ft and the ends are pin-connected.
Calculate the descriptive statistics from the data and display in a table. Be sure to comment on the central tendency, variability and shape for each variable.
A town orchestra is holding auditions for 3 new flute players and 4 new trumpet players. If 8 flutists try out, and 11 trumpeters try out, how many ways can the conductor choose his new members?
What is a 95% confidence interval for the time my colleagues can stay awake on average for all of my colleagues
Determine the control limits for the mean and the range. Plot the control limits for the mean outside diameter and the range.
the number of vehicles arriving at a toll booth per minute were observed as0 3 1 2 0 1 1 1 2 0 1 4 3 1 1 0 0 1 0 2 2 0
the professor plots a histogram of these several proportions. Should a Normal model be used to represent the sampling distribution of the proportion of tails?
a plastic casing for a magnetic disk is composed of two halves. the thickness of each half is normally distributed with
In 2004 ACT, Inc., reported that 74% of 1644 randomly selected college freshmen returned to college the next year. Estimate the national freshman-tosophomore retention rate.
decks of pinochle cards have a total of 48 cards and consist of 8 cards each of nines tens jacks queens kings and aces
Which of the following will equal the average time that a customer is in the system?
let x represent the number that occurs when a green die is tossed and y the number that occurs when a red die is
A study of 80 white mice showed that their average weight was 3.7 ounces. The standard deviation of the population is 0.6 ounces.
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