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Question: A survey of 5,250 business travelers worldwide conducted by OAG Business Travel Lifestyle indicated that 91% of business travelers consider legroom the most important in-flight feature. (Angle of seat recline and food service were second and third, respectively.) Give a 95% confidence interval for the proportion of all business travelers who consider legroom the most important feature.
Discuss the reason that sampling distribution of the mean follow a normal distribution for a large enough sample size, even though the population may not be normally distributed?
A jumbo mortgage is a mortgage with a loan amount above the industry-standard definition of conventional conforming loan limits.
If probability the first truck is available is= .75, probability the second truck is available is= .50, and probability both are available is= .30, determine the probability which neither truck is available?
data were collected on gpa and number of faceook friends for students in a small statistics class. some summary
Given this information, find the posterior odds that he has the disease, in terms of the prior odds, the sensitivity of the test.
A sample of 60 children reveals that only 12 missed school during March. What can be said about the difference in absentee rates?
The poverty line. The federal government announces "poverty lines" each year for households of different sizes. Households with income below the announced.
Explain thoroughly, the concept of standard deviation. How does range affect standard deviation? What is a z-score, and how do z-scores relate to the mean of a set of data?
a gasoline tank for a certain car is designed to hold 15 gallons of gas. suppose that the actual capacity of a randomly
Find the value of the loads P that can be safely supported by the 6-in.-by-12-in. (S4S) timber beam shown. The allowable bending stress is 1800 psi.
Locate the data set "Bank.sav" and open it with SPSS. Follow the steps in section 10.15 Learning Activity as written. Answer all of the questions in the activity based on your observations of the SPSS output. Type your answers into a Word docum..
Find the probability that a random selection of 9 songs will have mean length of 186.30 seconds or less. Assume distribution of the lengths of the songs is normal.
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