Question

a. For classes of 243 ​students, find the mean and standard deviation for the number born...

a. For classes of

243

​students, find the mean and standard deviation for the number born on the 4th of July. Ignore leap years.

b. For a class of

243

​students, would two be an unusually high number who were born on the 4th of​ July?

Math   Statistics-And-Probability   
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