Mathematics, 04.01.2021 20:00, mikewalton566
Andrea and Ashley are middle-distance runners for their school's track team. Andrea's times in the 400-meter race are approximately normally distributed with a mean of 62 seconds and a standard deviation of 0.8 seconds. Ashley's times are approximately normally distributed with a mean of 62.8 seconds and a standard deviation of 1 second. a) The school record for the 400-meter is 60.0 seconds. What is the probability that Andrea breaks the record in her next race?b) Assuming that Andrea and Ashley's time in any race are independent, what is the probability that Ashley beats Andrea in their next race?
Answers: 3
Mathematics, 21.06.2019 14:50, littlemrslazy
What is [tex] {7}^{98 + \sqrt{4} } - 3 \times (64 \div 2 + 4 - 36) \times a = a + 36[/tex]?
Answers: 3
Mathematics, 21.06.2019 18:00, queenofspades
Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. a new supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which size bag provides the best deal, and how much will you save each month? compare the cost of the new supplier to the current one.
Answers: 1
Andrea and Ashley are middle-distance runners for their school's track team. Andrea's times in the 4...
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