Past records indicate that the probability of online retail orders that turn out to be fraudulent is 0.08. Suppose that, on a given day, 18 online retail orders are placed. Assume that the number of online retail ordersthat turn out to be fraudulent is distributed as a binomial random variable. Complete parts (a) through (d) below.The mean number of online retail orders that turn out to be fraudulent is 1.4400.(Type an integer or a decimal. Round to four decimal places as needed,)Instructor tipThe standard deviation of the number of fraudulent retail orders is 1.151(Type an integer or a decimal. Round to three decimal places as needed.)b. What is the probability that zero online retail orders will turn out to be fraudulent?Use =BINOM.DIST function in Excel for parts b), c), and d).0.2229 (Type an integer or a decimal. Round to four decimal places as needed,)c. What is the probability that one online retail order will turn out to be fraudulent?0.3489 (Type an integer or a decimal. Round to four decimal places as needed.)d. What is the probability that two or more online retail orders will turn out to be fraudulent?(Type an integer or a decimal. Round to four decimal places as needed.)CloseView instructor tipP Type here to search412 PM3/24/202266°F144esc&1+ backsoace2$4.8.%236.3.YWEIttabJ.KLashed

Let p = probability of being fraudulent. Given that p = 0.08 Let X denote the number of fraudulent…

Answered: d. What is the probability that two or…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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es The Internal Revenue Service is studying the category of charitable contributions. A sample of 25 returns is selected from young couples between the ages of 20 and 35 who had an adjusted gross income of more than $100,000. Of these 25 returns, five had charitable contributions of more than $1,000. Four of these returns are selected for a comprehensive audit. a. The hypergeometric distribution is appropriate because it is Osampling a small population without replacement. O sampling a small population with replacement. O sampling a large population without replacement. b. What is the probability exactly one of the four audited had a charitable deduction of more than $1,000? (Round your answer to 4 decimal places.) Probability
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