Ask Question
10 October, 02:03

The probability that an individual has 20-20 vision is 0.160.16. in a class of 4040 students, what is the mean and standard deviation of the number with 20-20 vision in the class? round to the nearest thousandth.

+2
Answers (1)
  1. 10 October, 03:20
    0
    The mean is 6.4 and the standard deviation is 2.319.

    The mean of a binomial distribution is given by

    μ = np = 40 (0.16) = 6.4

    The standard deviation is given by

    σ = √ (n) (p) (1-p) = √40 (0.16) (0.84) = √5.376 = 2.319
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “The probability that an individual has 20-20 vision is 0.160.16. in a class of 4040 students, what is the mean and standard deviation of ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers