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.a. What are the mean and standard deviation of the number of online retail orders that turn out to be fraudulent?- XInstructor tipThe mean number of online retail orders that turn out to be fraudulent is.(Type an integer or a decimal. Round to four decimal places as needed.)The standard deviation of the number of fraudulent retail orders isUse =BINOM.DIST function in Excel for parts b), c), and d).(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?(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?(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?CloseView instructor tip3:59 PMP Type here to search66°F3/24/2022Insertprt scdelets4-4+144&@%23backspace7.8.9.%3D46.W

Let p be the probability for being fraudulant. Given that p = 0.08 Let X denote the number of…

Answered: a. What are the mean and standard…

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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Find the standard deviation of the following numbers (Round your answer to 4 decimal places.): 1, 4, 4, 7, 7, 7, 11, 11, 14, 16, 16
A commuter travels many miles to work each morning. She has timed this trip 5 times during the last month. The time (in minutes) required to make this trip was 34, 39, 41, 35, and 41. The mean time (in minutes) required for this trip was _______. 35 41 38 37.5 35.5
A quiz consists of 40 multiple choice questions, each with five possible answers, only one of which is correct. If a student guesses on each question, what is the mean and standard deviation of the number of correct answers? Round to the nearest thousandth.
The tourist bureau of the Caribbean Island survey a sample of 6 United States tourists as they left to return home. The tourist was asked how many days they spent on their visits. Their responses were as follows: 11,8,6,12,10,7 find the standard deviation of this sample of numbers.
81. According to a recent Pew Research poll, 75% of millennials (people born between 1981 and 1995) have a profile on a social networking site. Let X = the number of millennials you ask until you find a person without a profile on a social networking site. a. Describe the distribution of X. b. Find the (i) mean and (ii) standard deviation of X. c. What is the probability that you must ask ten people to find one person without a social networking site? d. What is the probability that you must ask 20 people to find one person without a social networking site? e. What is the probability that you must ask at most five people?
You draw a card from a deck. If you get a red card, you win nothing. If you get a spade, you win $6. For any club, you win $12 plus an extra $20 for the ace of clubs. Find the standard deviation of the amount you might win drawing a card.
A survey found that 40% of adults in the United States have a pet in their home. Use this information to find the following: a. Find the probability that when we randomly select 13 adults exactly 7 of them have a pet in their home. Round your answer to two decimal places. b. Find the mean and standard deviation for the number of adults that have a pet in their home when we randomly select 13 adults. Round your answer to two decimal places.
The distances golf balls travel under laboratory testing conditions are normally distributed. The mean is 312 yards. The probability the golf ball travels further than 319 yards is 0.28. Find the probability a randomly selected golf ball travels between 305 yards and 319 yards. Express the answer as a decimal value rounded to the nearest hundredth.

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