iPad 4:45 PM * 37% . Student\'s Solutions Manual for Fundamentals of Statistics

Question

iPad 4:45 PM * 37% . Student's Solutions Manual for Fundamentals of Statistics Chapters Chapter 6.2 v Expand all steps Chapter 6.2 Problem 44AYU Problem 34AYU Step 1 0 Problem 35AYU From the information, observe that there is 90% of adult smokers started smoking before turning 21 years old. Problem 36AYU Consider a random sample of 200 smokers who are started before turning 21 years old. Consider X is the random variable that represents the number of smokers who are started before turning 21 years old. Here, it follows Binomial distribution. Calculate the mean and standard deviation of the binomial distribution. Problem 37AYU Problem 38AYU Problem 39AYU 9) Problem 40AYU Problem 41AYU 1000.9)(1-0.9) Problem 42AYU Problem 43AYU Problem 44AYU Step 2 0 Problem 45AYU Step 3 0 Problem 46AYU Was this solution helpful? Problem 47AYU Problem 48AYU Share

Explanation / Answer

Step 1 given is definitely incorrect.

n = 200 and p = 0.9

=> x = (200*0.9*0.1)

= 18 and not 9

The given solution is therefore wrong.

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