3. A college history course has a mean lecture time of 52 minutes with a standard deviation of 2 wines Suppose we randomly select n = 36 history lectures, what is the probability that the mean lecture time
exceeds the allotted class time of 50 minutes? Assume a normal distribution
(A) 0.9999
(B) 0.8413
(C) 0.1587
(D) 0.0001
(E) None of these is correct.

1; 35 is the ratio

step-by-step explanation:

irrational, then, just means all the numbers that aren't rational. every integer is a rational number, since each integer n can be written in the form n/1. however, numbers like 1/2, 45454737/2424242, and -3/7 are also rational, since they are fractions whose numerator and denominator are integers.

step-by-step explanation: