تم الحل ✓
categoryإحصاء
schoolبكالوريوس
event_available2026-07-13
السؤال
Transcribed Image Text:
#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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