03/30/21

Probability Problems
Question #6:A group of people were asked if they had run a red light in the last year. 159 responded "yes" and 131 responded "no." Find the probability that if a person is chosen at random from... more
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05/20/19

I need stats help!

You conduct a simulation regarding the students’ scores on an test. Our null hypothesis is that the mean score on the test is greater than or equal to 88 points. Your alternative hypothesis is... more
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05/20/19

Find the chi-square value X 2/L corresponding to a sample size of 17 and a confidence level of 98%.
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05/20/19

Would some body help me with this question?
A medical equipment industry manufactures X-ray machines. The unit cost c(the cost in dollars to make each X-ray machine) depends on the number of machines made. If x machines are made, then the... more
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