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categoryإحصاء schoolبكالوريوس event_available2026-07-13

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#1. The top 2% of students in a math class are selected to go into an accelerated math class. The mean grade is 85 and the standard deviation is 5. What is the lowest grade (rounded to integer) a person could receive and still get into the accelerated math class? #2. The resistance of a certain population of circuits is normally distributed with a mean of 200 ohms and a standard deviation of 10 ohms. 1. a) What is the probability that the resistance of one of these circuits selected at random is greater than 214.3 ohms? b) What is the value @ of resistance such that 67% of the circuits in the population have resistance at most @Q?

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