Suppose that in the bookkeeping operation of a large corporation the probability of a recording error on any one billing is 0.005.Suppose the probability of a recording error from one billing to the next is constant, and 1,000 billings are randomly sampled by anauditor.a. What is the probability that fewer than six billings contain a recording error?b. What is the probability that more than 11 billings contain a billing error?c. What is the probability that exactly two billings contain a recording error?(Round your answers to 4 decimal places when calculating using Table A.3, e.g. 0.2153.)a. P(x < 6) =b. P(x > 11) =c. P(x = 2) =Save for Later

Givenp=0.005n=1000Let "x" be the billings contain a…

Answered: Suppose that in the bookkeeping…

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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4. Suppose a basketball player is a 73% free-throw shooter and he attempts 10 free throws. a. What is the probability that he makes at least half of the shots? b. What is the probability that he misses exactly 4 of the attempts? c. What is the probability he makes at most 3 shots?
Suppose the probability of an IRs audit is 4.2 percent for U.S taxpayers who file form 1040 and who earned 100,000 or more. what are the odds that such taxpayer will be audited? what are the odds against such taxpayer being audited?
The sales force of a business consists of 10 men and 10 women. A production unit of 9 people is set up at random. a. What is the probability that it will consist of 4 men and 5 women? b. What is the probability that it will consist of all men? c. What is the probability that it will consist of at least one woman. a. The probability that it will consist of 4 men and 5 women is. (Simplify your answer. Type an integer or a fraction.)
7.) The Pew Internet and American Life Project reported in 2004 that 55% of current music downloaders say they are using paid services. Consider a random sample of 18 music downloaders.a.) Find the probability that the sample contains 15 music downloaders who are usingpaid services using the formula.b.) Find the probability that the sample contains 10 or fewer music downloaders who areusing paid services using the calculator.c.) Find the probability that the sample contains 9 or more music downloaders who areusing paid services using the calculator.d.) Find the probability that the sample contains between 8 and 15, inclusive, musicdownloaders who are using paid services using the calculator.e.) Find the mean number of music downloaders who are using paid services.f.) Find the standard deviation of music downloaders who are using paid services.
Need d,e,f,g
• A) Given the data Pulse Rate (beats per minute) Mean St. Dev. Distribution Males 69.6 11.3 Normal Females 74.0 12.5 Normal a. Find the probability that a female has a pulse rate less than 60 beats per minute. b. Find the probability that a male has a pulse rate grater than 80 beats per minute. c. Find the probability that a m ale has a pulse rate between 65 beats per minute and 85 beats per minute. • B) Snow White. Disney World required that women employed as a Snow White character must have a height between 64 in and 67 in o Find the percentage of women meeting the height requirement o If the height requirements are changed to exclude the shortest 40% of women and the tallest 5% of women, what are the new height requirements?
Suppose a math class contains 38 students. There are 20 females (three of whom speak Spanish) and 18 males (five of whom speak Spanish). Give all answers as decimals to at least two decimal places. 1. What is the probability that a randomly selected student speaks Spanish, given that the student is female? 2. What is the probability that a randomly selected student does not speak Spanish, given that the student is male? 3. What percent of Spanish speaking students are male? 4. If someone does not speak Spanish what is the probability they are female?
Suppose 22% of students at a certain university are out of state students. A professor takes a random sample of 50 students. Let X = the number of out of state students in the sample. a. how many students are expected to be out of state? by how much does this vary? b. what is the probability that 10 will be out of state? c. what is the probability that 10 or fewer will be out of state? d. what is the probability that fewer than 10 will be out of state?
It has been estimated that only about 25% of residents in Ventura County have adequate earthquake supplies. Suppose you randomly survey 5 residents in the County. Let X be the number of residents who have adequate earthquake supplies. Please show the following answers to 4 decimal places. a. What is the probability that exactly 2 residents who have adequate earthquake supplies in this survey? b. What is the probability that less than 2 residents who have adequate earthquake supplies in this survey? c. What is the probability that at most 2 residents who have adequate earthquake supplies in this survey? d. What is the probability that between 1 and 3 (including 1 and 3) residents who have adequate earthquake supplies in this survey?
If the prevalence of a certain condition in the population is 0.1. What is the probability that at least one person out of sample of ten has the condition? Write as a proportion rounded to two places.
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
Read the following prompt and complete 1.a, 1.b, 1.c

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