Mathematics, 19.12.2019 01:31 alicea70
The annual profits that company a and company b earn follow a bivariate normal distribution company a's annual profit has mean 2000 and standard deviation 1000. company b's annual profit has mean 3000 and standard deviation 500 the correlation coefficient between these annual profits is 0.80. calculate the probability that company b's annual profit is less than 3900, given that company a's annual profit is 2300. a) 0.8531 b) 0.9192 c) 0.9641 d) 0.9744 e) 0.9953
Answers: 2
Mathematics, 21.06.2019 16:20
The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.
Answers: 3
Mathematics, 21.06.2019 21:10
Jenny earned a 77 on her most recent test jenny score is no less then 5 points greater then 4/5 of terrance’s score if t represents terrance score which inequality represents the situation
Answers: 3
Mathematics, 22.06.2019 00:30
Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6
Answers: 1
The annual profits that company a and company b earn follow a bivariate normal distribution company...
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