If one student is chosen at random, find the probability that the student was male OR received a grade of "B". places.)

Q: Assuming all 4 houses on the street are rented by American families, and that the probability of any…

A: Given: The probability of any house on the street being rented out by a family from a particular…

Q: Assume that when adults with smartphones are randomly selected, 37% use them in meetings or classes.…

A: It is given that the When adults with smartphones are randomly selected, 37% use them in meetings or…

Q: Suppose that 58% of all students on campus wear glasses. If two students are chosen at random, what…

A: Given that 58%  of all students on campus wear glasses. Sample size, n = 2

Q: If a letter is chosen at random from the English alphabet, find the probability that the letter (a)…

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Q: Assume that when adults with smartphones are randomly selected, 45% use them in meetings or classes.…

A: Given that n =15 , P =0.45 Using binomial distribution Find P ( x <3 ) =?

Q: The probability that it came from subcontractor B, is

A: Here use Bayes rule

Q: Assume that when adults with smartphones are randomly​ selected, 37​% use them in meetings or…

A: We have given that,  Probability (p) = 37% = 0.37 . n = 9 . And x=2 .

Q: Assume that when adults with smartphones are randomly selected, 55% use them in meetings or classes.…

A: Given p=0.55 and n=25 Let X be the adults using smartphones in meetings and classes X ~ B(n, p)…

Q: The probability of drawing a winner name of a sophomore student fromthe participating group is 0.35,…

A: Disjoint events:Disjoint events are also known as mutually exclusive events. Any two events are said…

Q: Assuming that girl-boy births are equally probable, find the probability that a family with five…

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Q: A poll is given showing 50% are in favor of a new building project. If 9 people are chosen at random…

A: Given data, p=0.50 n=9 P(X=3)=?

Q: Suppose a student is selected at random from 100 students where 30 are taking ECE, 20 are taking EE…

A:

Q: If 3 of the electric bulbs manufactured by a company were found to be defective in an hour, find the…

A: Given: 3 of the electric bulbs manufactured by a company were found to be defective in an hour we…

Q: The probability that an employee of a company is a male is 0.65 and the joint probability that an…

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Q: Assume that when adults with smartphones are randomly​ selected, 49​% use them in meetings or…

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Q: If a student selected at random, find the probability that: d. Selected student is male and his age…

A: Given the table on survey of assignment 1 as follows: Age Male Female Row total Less…

Q: From a box containing six black plates, eight white plates and ten blue plates, one plate is drawn…

A: Solution

Q: Assume that when adults with smartphones are randomly​ selected, 51​% use them in meetings or…

A: Let X be the adults with smartphone X~B(n=10, p=0.51) P(X>=5)= ?

Q: In a class of 37 students, 17 are taking an AP test, 15 are taking an IB test and 6 are taking both.…

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Q: Assume that when adults with smartphones are randomly​ selected, 64​% use them in meetings or…

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Q: Suppose a math class contains 31 students, 19 females (two of whom speak French) and 12 males (three…

A: We have given that a math class contain 31 students, 19 females( 2 speaks French) and 12 males(3…

Q: Of the physics graduates of a university, 25% received starting salaries of $30,000 or more. If 3 of…

A:

Q: At the Avonlea Country Club, 66% of the members play bridge and swim, and 85% play bridge. If a…

A: Given that P(bridge and swim)=0.66 P(bridge)=0.85

Q: If 25% of the bulbs produced by ABC Lighting Company are defective, determine the probability that…

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Q: A sub-committee of 6 members is to be formed out of a group of 7 men and 4 ladies. Calculate the…

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Q: A survey found that one out of four Filipinos says he or she has visited a dentist in any given…

A: Given: n=12 1 from 4 has visited the dentist in the month

Q: Assume that when adults with smartphones are randomly​ selected, 39​% use them in meetings or…

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Q: Assume that when adults with smartphones are randomly​ selected, 47​% use them in meetings or…

A: The binomial distribution function is: PX=x=Cxnpx1-pn-xwhere,n=number of trials,x=number of success,…

Q: Two marbles are drawn in succession from a box containing 10 red, 30 white, 20 blue and 15 oranges,…

A: Probability is the chance they occurrence in the event. Combination is the possible arrangement of…

Q: Find the probability that one person selected at random from these 300 persons is a faculty member…

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Q: If one person was selected at random from the 7700 customers, find the probability that the person:…

A: It is given that Total = 7700 Number of customers bought a mug = 1910 Number of regional customers =…

Q: assume that when adults with smartphones are randomly selected, 44% use them in meetings or classes.…

A:

Q: A commission of 3 people out of 5 women and 4 men working in a workplace will be formed. Which of…

A: To find the probability following rules will be used  :  Fundamental Principle of Multiplication :…

Q: If one of these individuals is selected at random, find the probability that the (a) experiencing…

A: The data is given by   Nonsmoker Moderate Heavy Total H 21 36 30 87 NH 48 26 19 93 Total 69…

Q: A tennis player makes a successful first serve 30% of the time. If she serves 33 times, what is the…

A: Solution: Let X be the number of first serves and n be the number of times she serves. From the…

Q: If a letter is chosen at random from the English alphabet, find the probability that the letter (a)…

A: From given data ,There are 26 letters in English Alphabeti.e. n5=26

Q: Assume that when adults with smartphones are randomly​ selected, 49​% use them in meetings or…

A:

Q: A card is drawn at random from a deck of 52 playing cards. What is the probability that it is an ace…

A: There are 4 ace cards and 12 face cards in a deck of 52 playing cards.

Q: A Supervisor of a pharmacy found that 30% of the workers receive their spending money from part –…

A: Obtain the probability that at least 3 of them will have part- time jobs. The probability that at…

Q: If an employee is selected at random, find the probability that the employee is a deli/bakery worker…

A: Here total  employees = 45 represented in table  Probability = Favorable / total

Q: Assume that when adults with smartphones are randomly selected, 52% use them in meetings or classes.…

A: Given that  Proportion of people use in meetings or classes = 52%  p = 0.52 (1-p) = (1-0.52) = 0.48…

Q: Assuming that boy and girl babies are equally likely, find the probability that a family with three…

A: Conditional rule:The formula for probability of A given B is,

Q: Of the cartons produced by a company, 10% have a puncture, 5% have a smashed corner, and 0.9% have…

A: It is given that P(puncture) = 0.10 P(smashed corner) = 0.05 P(puncture and smashed corner) = 0.009

Q: Assume that when adults with smartphones are randomly​ selected, 51 % use them in meetings or…

A: Introduction to binomial distribution: Consider a random experiment involving n independent trials,…

Q: Assume that when adults with smartphones are randomly​ selected, 59​% use them in meetings or…

A: Given Data: Let X be the number of adults using smartphones  n=7 p=0.59   Therefore,  X ~…

Q: Assume that when adults with smartphones are randomly​ selected, 44​% use them in meetings or…

A: Introduction: Binomial Distribution: Binomial distribution is a common probability distribution that…

Q: probability that student received an A? (Assume that each student receives one grade.)

A: Last semester, a certain professor gave 21 As out of 330 grades.  Here use basic probability =…

Q: Assume that when adults with smartphones are randomly​ selected, 43% use them in meetings or…

A: Define the random variable x as the number of adults using smartphones in meetings or classes. Here,…

Q: Find the probability that in a family of 4 children there will be (a) at least 1 boy and (b) at…

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Q: Assume that when adults with smartphones are randomly​ selected, 56​% use them in meetings or…

A: Solution:Binomial distribution:The binomial distribution gives the probability of number of…