Compute the value of the correlation coefficient
Compute the value of the correlation coefficient for the data obtained in the study of the number of absences and the final grade of the seven students in the statistics class.No. of absences Final grade(%)
6 82
2 86
15 43
9 74
12 58
5 90
8 78
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An experiment consists of rolling three fair dice --- a red die, a blue die, and a white die --- and recording the number rolled on each die. Assume that the dice are fair, so that all outcomes are equally likely.
Medical records of rattlesnake bites show that about 30% of bites are dry bites. If an ER sees 6 patients what is the probability first 5 bites contain venom and 1 does not?
Are there any probability calculations that would be appropriate for rating an investment service? Why or why not?
In the game of standard American Roulette, a bet placed on " Black" always has a p=18/38, probability of winning.
Compute the value of the correlation coefficient for the data obtained in the study of the number of absences and the final grade of the seven students in the statistics class.
What is the probability that in the next hour a total of n service requests will arrive? What is the probability density of service time of an arbitrarily chosen service request ?
Cereal Boxes are sold with prizes inside. There are 3 different prizes possible and they occur with probability 1/2, 1/3 and 1/6. What is the expected number of Cereal Boxes you must buy to get one of each prize?
Constructing confidence Intervals - given the sample mean and the sample standard deviation, use this information to construct the 90% and 95 % confidence interval for the population mean, which interval is wider?
The mean inside the diameter of all washers produced by a machine is 0.502 inches and the standard deviation is 0.005 inches. The Company can only accept washers whose inside diameters are in the range from 0.496 in. to 0.508 in. otherwise the was
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A healthcare system with multiple facilities is on their journey to magnet status, the system leadership is exploring options to involve staff
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