The first assignment in a statistical computing class, Ask an Expert

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The first assignment in a statistical computing class involves running a short program. If past experience indicates that 40% of all students will make no programming errors, compare the (approximate) probability that in class of 50 students

a. At least 25 will make no errors (Hint: Normal approximation to the binomial)

b. Between 15 and 25 (inclusive) will make no errors.

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