43. An airport terminal handles an average of 3,000 international passengers an hour, but is capable of handling twice that number. Also after scanning all luggage, 20 % arriving international passengers are detained for intrusive luggage inspection. The inspection facility can handle 500 passengers an hour without unreasonable delays for the travelers. Complete parts a through c. 44. Will the sampling distribution of always be approximately normally distributed? Explain. 45. The number of semester hours of college credit taken by firsttime candidates for a certain professional exam has a distribution with a mean of 127 hours and a standard deviation of 14 hours. Consider a random sample of 100 first-time candidates for the exam and let represent the mean number of hours of college credit taken for the sample. Complete parts a through e below.------------------------------------------------------------------------------------
Chapter 2:
QNT 561 Week 1 Lab Work( New) For more course tutorials visit www. qnt561. com
Ex 4) Two Thousand three hundred frequent business travelers are asked which Midwestern city they prefer: Indianapolis, Saint Louis, Chicago or Milwaukee. 388 liked Indianapolis best, 450 liked Saint Louis, 1212 liked Chicago and the remainder prefers Milwaukee. Develop a frequency table and a relative frequency table to summarize this information( Round relative frequency to 3 decimal places.)
Ex 6) A small business consultant is investigating the performance of several companies. The fourth-quarter sales for last year( in thousands of dollars) for the selected companies were:
The consultant wants to include a chart in his report comparing the sales of six companies. Identify a bar chart that compares the fourthquarter sales of these corporations.