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
4.894 Answers
Letter B
Frequently asked questions (FAQs)
Question: "What is the product and sum of a pair of consecutive positive integers from 1 to 10?"
+
What is the product of 8 multiplied by 13?
+
Question: What is the sum of the first 10 terms of an arithmetic sequence whose first term is 3 and common difference is 4?
+
New questions in Mathematics