In a group of students, 40% took a music (m) subject, also 30% took statistic (s) subjects. In thissame group, the probability that they took a music or statistic subject is 0.65.a.) Draw a Venn diagram of the sample space for the subject of the students and write theprobability for each section accordingly.b.) Find the probability of (m n s). Illustrate this through a Venn diagram

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Answered: In a group of students, 40% took a…

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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• 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?
Organ Donors USA Today provided information about a survey of 5100 adult Internet users. Of the respondents, 2346 said they are willing to donate organs after death. In this survey conducted for Donate Life America, 100 adults were surveyed in each state and the District of Columbia, and results were weighted to account for the different state population sizes. a. What percentage of respondents said that they are willing to donate organs after death? b. Based on the poll results, what is the probability of randomly selecting an adult who is willing to donate organs after death? c. What term is used to describe the sampling method of randomly selecting 100 adults from each state and the District of Columbia?
3) Below is the distribution of 80 graduates with their degree type and average grade. Find the probability that a randomly selected graduate has a B.S. degree, given that the graduate has a B average. ((please check images for accuracy, thank you!!!))
15 400 people were questioned as to whether they read novels in paperback form or on an e-reader. 20% said they do both. 30% said they read paperbacks. The probability that a person who didn't read paperbacks also didn't read on an e-reader was 25% a) Represent this information in the two-way table below Total Total b) Calculate the probability that a randomly selected person reads novels on an e-reader but not in paperback. c) Of those that read on e-readers, what percentage read in both formats? Give your answer correct to the nearest percent.
1. Of all freshman at a Snow college, 16% made the dean's list in the current year. As part of a class project, students randomly sample 40 freshman and check if those students made the list. Calculate the probability your sample has more than 8 students from the dean's list. Check conditions (if one doesn't check out, note your concern and continue anyway), describe sampling distribution, state probability.
Giving a test to a group of students, the grades and gender are summarized below A CTotal B. Male 8. 9. Female 13. 6. 21 Total 28 4. 26. If one student is chosen at random, Find the probability that the student did NOT get an "B" Question Help: DVideo Submit Question Type here to search 2) a. EGO olo tab shift
A raffle ticket costs $5. First and second prize winners will be drawn at random. The probability of winning the $100 first prize is 1/40 and the probability of winning the $25 second prize 1/20. A) find the probability model of a player's net gain, taking into account the $5 cost of the ticket? B) what is the mean winning for one play?
a. Find the sample space using a tree diagram to show the possibilities Elaine has to choose a mattress. b. What is the probability that Elaine chooses a memory foam-topped mattress? Write the number of ways Elaine chooses a memory foam-topped mattress. (Refer to sample space)
Question 7 Each of 12 refrigerators of a certain type has been returned to a distributor because of the presence of a high-pitched oscillating noise when the refrigerator is running. Suppose that 5 of these 12 have defective compressors and the other 7 have less serious problems. If they are examined in random order, let X = the number among the first 6 examined that have a defective compressor. Compute P(X= 2). What distribution do you need to use to solve this problem? O Poisson distribution O Negative binomial distribution Binomial distribution O Hypergeometric distribution
The coin is tossed 3 times, find the sample space using the tree diagram.

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