1. Suppose that X is a binomial random variable with n = 200 and p = 0.4. Find the probability P(X< 70) based on the corresponding binomial distribution and approximate normal distribution. Is the normal approximation reasonable?

1. Suppose that X is a binomial random variable with n = 200 and p = 0.4. Find the probability P(X< 70) based on the corresponding binomial distribution and approximate normal distribution. Is the normal approximation reasonable?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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PLEASE DRAW THE BELL CURVE OF THE RESULTS OF THESE TWO!!! ONLY BELL CURVE

1. Suppose that X is a binomial random variable with n= 200 and p = 0.4.
Find the probability PCX < 70) based on the corresponding binomial
distribution and approximate normal distribution. Is the normal approximation
reasonable?

Exercise 6.1 The sick-leave time of employees in a firm in a month is normally with a
mean of 100 hours and a standard deviation of 20 hours. Find the probability that
the sick-leave time of an employee in a month exceeds 130 hours.

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