Suppose approximately 65% of all students study after midnight. For random sample of n=3 students, let X be the number of students that study after midnight. a. Complete the following table for the binomial distribution of X. X P(X) 0 1 2 3 Round your answers to 4 decimal places Determine the mean and standard deviation of X b. The expected value of X is Round your answer to 4 decimal places c. The standard deviation of X is round to 4 decimal places
Suppose approximately 65% of all students study after midnight. For random sample of n=3 students, let X be the number of students that study after midnight. a. Complete the following table for the binomial distribution of X. X P(X) 0 1 2 3 Round your answers to 4 decimal places Determine the mean and standard deviation of X b. The expected value of X is Round your answer to 4 decimal places c. The standard deviation of X is round to 4 decimal places
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.3: Special Probability Density Functions
Problem 53E
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Suppose approximately 65% of all students study after midnight.
For random sample of n=3 students, let X be the number of students that study after midnight.
a. Complete the following table for the binomial distribution of X.
X | P(X) |
---|---|
0 | |
1 | |
2 | |
3 |
Round your answers to 4 decimal places
Determine the mean and standard deviation of X
b. The
Round your answer to 4 decimal places
c. The standard deviation of X is
round to 4 decimal places
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