- +1-530-264-8006
- info@tutorsglobe.com

Probability of randomly sampling

1. For a population that is normally distributed with a mean of 100 and standard deviation of 10, what value would separate the smallest 20% of values from the next larger 80% of values?

2. A population is normally distributed with a mean of 30 and a standard deviation of 5. What is the probability of randomly sampling this population and getting a value of 25 or less? Give answer as 0.XXXX

3. Give the z value for z notation: z(0.44) Give answer as X.XX

18,76,764

Questions

Asked

21,311

Experts

9,67,568

Questions

Answered

Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!

Submit Assignment2015 © Tutors Globe. All rights reserved.

## Q : Semester of a statistic class

If 30%of the students have never taken a statistics class, 60% have taken only one semester of a statistic class, and the rest have taken only two or more semesters of statistic, what is the probability that both of the first two groupmates you me