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

Deyoung international academy

Deyoung International Academy has students with the following grades: 10% had an A; 75% had a B; 10% had a C; and 5% had D's. In using these grades, answer these questions about a sample of 10 students that were selected at random.

- What is the probability that 1 student had an A?
- What is the probability that 3 or fewer students had a C?
- What is the probability that exactly 4 students had B's?
- What is the probability that at least 2 students had D's?

Expected delivery within 24 Hoursrs

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 : Mean and standard deviation for the number

A candy company claims that 19% of its plain candies are orange, and a sample of 100 such candies is randomly selected. Find the mean and standard deviation for the number of orange candies in such groups of 100.