Question
Suppose you have a sample of 100 values from a population with mean mu = 500 and standard deviation sigma = 80. Given that P(z < −1.25) = 0.10565 and P(z < 1.25) = 0.89435, the probability that the sample mean is in the interval (490, 510) is: A)78.87% B)89.44% C)10.57% D)68.27%
238
likes1191 views
Answer to a math question Suppose you have a sample of 100 values from a population with mean mu = 500 and standard deviation sigma = 80. Given that P(z < −1.25) = 0.10565 and P(z < 1.25) = 0.89435, the probability that the sample mean is in the interval (490, 510) is: A)78.87% B)89.44% C)10.57% D)68.27%
Hester
4.8107 Answers
Letter B
Frequently asked questions (FAQs)
What is the equation of a line with a slope of 3/4 that passes through the point (2, 5)?
+
What is the integral of ∫(5x^3 + 2x^2 - 6x + 3) dx?
+
What is the result of adding vectors A = (3, 5) and B = (-2, 7)?
+
New questions in Mathematics