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Do I need to resubmit all over again? Please help
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Question #3 is attached.
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Determine the probability of each option being preferred by the company's cardholders. Determine the probability that an individual customer will receive a prize over the course of a year. Be sure to show all of your work for arriving at your calculations.
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0.79 of the class is ladies. .40 of the ladies smoke. Half the class smokes. What is the probability a randomly selected student is a man who smokes.
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a study shows that employees that begin their work day at 9:00am vary their times of arrival uniformly from 8:40 am to 9:30 am. The probability that a randomly chosen employee reports to work between 9:00 and 9:10 is: a) 40% b) 20% c) 10% d) 30% e) 16.7%
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A bank finds that using ATM reduces cost of routine bank transactions. Bank installs an ATM in corp ofc of Fun Toy Co. The ATM is for exclusive use of Fun Toys' 605 employees. After several months, a sample of 100 employees revealed the use of ATM machine by Fun employees for one month....
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During recent seasons, Major League Baseball has been criticized for the length of the games. A report indicated that the average game lasts 3 hours and 30 minutes. A sample of 17 games revealed the following times to completion. (Note that the minutes have been changed to fractions of hours,...
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Consider the following: A major television network is trying to determine whether to increase or decrease the number of news-based television shows. They conducted a national survey and found that their population watched 8 news shows each week. Now they need your help to determine if the mean...
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6. A communication system uses three frequencies, (denote it as F1, F2; and F3); because bad weather can cause the loss of the use of one or more frequencies. Suppose there is a loss of 10% of exactly one frequency, a loss of 1% of exactly two frequencies, and a loss of 0:5% of exactly three...
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The waiting time (in minutes) for emergency room patients with non-life-threatening injuries was measured at four hospitals for all patients who arrived between 6:00 and 6:30 PM on a certain Wednesday. The results are shown below. Research question: Are the mean waiting times the same for...
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- 1. A school administrator wonders if students whose first language is not English score differently on the math portion of the sat exam than students whose first language is English. The mean SAT math score of students whose first language is english is 516 on the basis of data obtained from the college board. A simple random sample of 20 students whose first language is not English result in a sample mean SAT math score of 522. SAT math score are normally distributed with a population standard deviation of 114. Why is it necessary for SAT math scores to be normally distributed to test the hypothesis?
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