At a large Midwestern college, 4% of the students are Hispanic. A random sample of 20 students from the college is selected. Let X denote the number of Hispanics among them. The standard deviation of X is:
A)0.71
B)0.768.
C)0.8.
D)0.88.

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The Answer of At a large Midwestern college, 4% of the students are Hispanic. A random sample of 20 students from the college is selected. Let X denote the number of Hispanics among them. The standard deviation of X is:
A)0.71
B)0.768.
C)0.8.
D)0.88.

At a Large Midwestern College, 4% of the Students Are