If each single outcome is equally likely, you can use the table to help calculate probabilities. What is the probability of getting two heads? a. P(2 heads) = One-half b. P(2 heads) = three-fourths c. P(2 heads) = StartFraction 4 Over 4 EndFraction d. P(2 heads) = One-fourth

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An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')