The probability that a student passes Math is 2/3, and the probability that he passes English is 4/9. If the probability of passing at least one course is 4/5, what is the probability that he will pass both courses?

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Q: standard deviation is $17.40.

A: We have given that  Sample size n =55 Sample mean =136 Standard deviation =17.40

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Q: nstruct the 90% and 95% confidence intervals for the population mean. Interpret the results and comp...

A: Sample size n =60 Sample mean =132 Standard deviation =18.10

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Q: ) State which sampling method used in the following scenarios i. Select the first 19 customers who e...

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Q: Let  Z∼N(0,1) . Then  P(Z>−0.73)  is     A.) 0.7673     B.) 0.4757     C.) 0.9418     D.) 0.6215

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A: Introduction: An incomplete joint probability distribution table is given.

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Q: Two thousand students took an exam. The scores on the exam have an approximate normal distribution w...

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