10) In a large bag of marbles, 30% of them are red. A child chooses 4 marbles from thisbag. If the child chooses the marbles at random, what is the chance that the child getsexactly three red marbles?A) 0.108B) 0.17611) The failure rate for taking the bar exam in Philadelphia is 41%. If 375 people take the 11)bar exam, what is the mean for the number of failures?A) 90.7B) 138.1C 153.8C) 0.076pen+BEAR12) A computer store has 75 printers of which 35 are laser printers and 40 are ink jetprinters. If a group of 10 printers is chosen at random from the store, find the mean ofthe number of ink jet printers.A) 2.5B) 1.6D 4.7B) 0.086C) 5.3VINIC13) A certain large manufacturing facility produces 20,000 parts each week. The managerof the facility estimates that about 1% of the parts they make are defective. What is thevariance for the number of defective parts made each week?A) 200B) 14.1C) 138(D) 198B) 0.31217) Find the probability P(X; 2): P(3, 8)A) 0.9714B) 0.0013dile insanD) 0.265214) It is estimated that 40% of households own a riding lawn mower. A sample of 20households is studied. What is the standard deviation of the number of households whoINGT (20) (-40) (1 - 140) = 14.8 = 2.19089own a riding lawn mower?B) 4.8A) 2.1909C) 8D) 20D) 221.32.0(815) The probability that federal income tax returns will have 0, 1, or 2 errors is 0.73, 0.23,and 0.04, respectively. If 10 randomly selected returns are audited, what is theprobability that eight will have no errors, two will have one error, and none will havetwo errors?A) 0.192C) 0.043C) 0.375016) On a Saturday evening in Chicago, 34% of the people go out to dinner, 18% go out tosee a movie, 13% go out to a party, and 35% stay home. If five people are randomlyselected on Monday morning, what is the probability that all but one went out Saturdaynight?A) 0.181C) 0.11610) BD) 0.384D) 0.048D) 0.028612) _D__13) D14) A15)16)17)

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Answered: 10) In a large bag of marbles, 30% of…

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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The accompanying table describes results from groups of 8 births from 8 different sets of parents. The random variable x represents the number of girls among 8 children. Complete parts (a) through (d) below. Click the icon to view the table. a. Find the probability of getting exactly 6 girls in 8 births. (Type an integer or a decimal. Do not round.) b. Find the probability of getting 6 or more girls in 8 births. (Type an integer or a decimal. Do not round.) c. Which probability is relevant for determining whether 6 is a significantly high number of girls in 8 births: the result from part (a) or part (b)? A. The result from part a, since it is the exact probability being asked. B. The result from part b, since it is the probability of the given or more extreme result. C. The result from part a, since it less than the probability of the given or more extreme result. D. The result from part b, since it is the complement of the result of part a. d. Is 6 a significantly high number of girls…
Eloisa flipped a coin four times. What is the probability that it will land on heads exactly once? A multi-sided die with less than 20 sides is rolled. The probability of rolling a number divisible by 6 is 16. How many sides are there on the die? A student writes a multiple-choice test that consists of 3 questions, each with 4 choices. What is the probability of the student having a perfect mark on the test by guessing
The accompanying table describes results from groups of 8 births from 8 different sets of parents. The random variable x represents the number of girls among 8 children. Complete parts (a) through (d) below. Click the icon to view the table. C a. Find the probability of getting exactly 6 girls in 8 births. (Type an integer or a decimal. Do not round.) b. Find the probability of getting 6 or more girls in 8 births. (Type an integer or a decimal. Do not round.) c. Which probability is relevant for determining whether 6 is a significantly high number of girls in 8 births: the result from part (a) or part (b)? O A. The result from part a, since it less than the probability of the given or more extreme result. O B. The result from part a, since it is the exact probability being asked. O C. The result from part b, since it is the complement of the result of part a O D. The result from part b, since it is the probability of the given or more extreme result. d. Is 6 a significantly high number…
B) C) Suppose the probability of a dropped cell phone call is 0.05. What is the probability that exactly 2 out of the next 20 calls placed on a cell phone will drop? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a 0.925 b d 0.075 e 0.567 0.736 Suppose the probability of a dropped cell phone call is 0.05. What is the probability that exactly 2 out of the next 20 calls placed on a cell phone will drop? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. 0.189 a 0.925 b 0.736 с 0.189 d 0.075 a b According to Auto World Magazine, 18.8% of luxury cars are silver. A large car dealership typically sells 50 luxury cars a month. If X represents the number of silver luxury cars sold in a typical month and the model is Binomial, what is the expected value of X? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. с d 0.567 7.63 9.4 40.6 2.76…
The accompanying table describes results from groups of 8 births from 8 different sets of parents. The random variable x represents the number of girls among 8 children. Complete parts (a) through (d) below. Click the icon to view the table. a. Find the probability of getting exactly 6 girls in 8 births. (Type an integer or a decimal. Do not round.) b. Find the probability of getting 6 or more girls in 8 births. (Type an integer or a decimal. Do not round.) c. Which probability is relevant for determining whether 6 is a significantly high number of girls in 8 births: the result from part (a) or part (b)? A. The result from part b, since it is the complement of the result of part a. B. The result from part a, since it is the exact probability being asked. C. The result from part a, since it less than the probability of the given or more extreme result. D. The result from part b, since it is the probability of the given or more extreme result. d. Is 6 a significantly high number of girls…
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10) In a large bag of marbles, 30% of them are red. A child chooses 4 marbles from this bag. If the child chooses the marbles at random, what is the chance that the child gets exactly three red marbles? A) 0.108 B) 0.176 C) 0.076 D) 0.265 f people take the