It is reported that 72% of working women use computers at work. Choosing 6 working women at random, what is the probability that at least one doesn't use a computer at work?

Q: What is the probability that a randomly selected ice cream was vanilla or was ordered on a Sunday?

A: The data is given by   Saturday Sunday Total Chocolate 4 10 14 Vanilla 3 7 10 Cookie dough…

Q: In a dental study on children it was found that the probability of the child population having any…

A: P(C) = p = 2/3 P(Not C) = q = 1-p= 1/3

Q: What is the probability that a randomly selected beanbag chair is made from suede and is filled with…

A: The data is as follows   Foam Beads Total Velevet 4 4 8 Suede 5 3 8 Total 9 7 16

Q: In the United States, voters who are neither Democrat nor Republican are called Independent. It is…

A: Let "X" be the voters who are independent. I will use excel formula "=BINOM.DIST(x, n, p, FALSE)"…

Q: It has been estimated that 21% of Americans are smokers. If five American adults are chosen at…

A: From the provided information, It has been estimated that 21% of Americans are smokers that is p =…

Q: what is the probability that at least 1 defective card is in the sample?

A: Let , X has hypergeometric distribution with parameter N=120 , M=15 and n=15 The probability mass…

Q: What is the probability of randomly selecting a 3-children family with two girls?

A: We will first list all possible outcomes in the sample space, then we will use following definition…

Q: What is the probability of randomly selecting a cat?

A: here given Table    Cat Dog Total student 11 29 40 professor  20 17 37   31 46 77 use…

Q: Eight percent of Americans have a master’s degree. If five Americans are selected at random, what is…

A:

Q: In a small private​ school, 6 students are randomly selected from 14 available students. What is the…

A: no of ways selecting r items from n is C(n,r)

Q: Eight percent of Americans have a master’s degree. If five Americans are selected at random, what is…

A: Let X represent random variable   n=5 p=0.08   X~ binomial (5, 0.08)

Q: If a single student is selected at random, what is the probability of "has a dog" OR "does not have…

A: It is given that Number of students with dog = 16 Number of students without cat = 78 Number of…

Q: According to the American Veterinary Medical Association, 31.6% of American households own a dog.…

A: Let A denote that American households own a dog Let  denote that American households does not own a…

Q: A survey reveals that 80% of the eligible people in a certain county vote during a county election.…

A: Here, n = 70 and p = 0.80.

Q: In a Business Statistics class, there are 15 girls and 11 boys. On a test 2, 9 girls and 6 boys made…

A: Given: In a business statistics class there are 15 girls and 11 boys on a test 2, 9 girls, and 6…

Q: What is the probability that a randomly selected bow tie is made of silk or is not shaped like a…

A:

Q: What is the probability of selecting one person at random who is a smoker?

A: From the provided information, Total person = 100 Number of persons who smoke = 54

Q: A labour department reports that 20% of the workforce in large corporation is unemployed. It…

A:

Q: If 10% of men are bald, what is the probability that fewer than 100 in a random sample of 900 are…

A: Solution:Binomial distribution approximated to normal distribution or not is checked below:It is…

Q: Forty percent of American adult women believe that meat from animals raised on genetically modified…

A: Formula : Binomial distribution is given by

Q: The National Coffee Association reports that among individuals in the 45 to 55 age, 70% drink…

A:

Q: What is the probability that a randomly selected person is male given the person is left handed?

A: Ans - GIven table   Right Handed Left Handed  Total Male 87 13 100 Female 89 11 100 Total…

Q: What is the probability of rolling at least a 8 with a single toss of two dice?

A: Each die has 6 possible outcomes.  So, for 2 dice there are 62=36 outcomes.

Q: It has been estimated that 21% of Americans are smokers. If four American adults are chosen at…

A: Given that, proportion, p= 21%  p= 0.21 So q= 1-p= 1-0.21 = 0.79 And sample size is n= 4 So X~…

Q: What is the probability that the car lot will sell at least 18 cars? What is the probability that a…

A: 68-95-99.7-rule: Let X be an observation from a normal distribution, having mean µ and standard…

Q: A marketing survey indicates that 40% of the population owns an automobile, 45% owns a house, and…

A: Given data:     The percentage of the population owns an automobile is: P(A)=40% The percentage of…

Q: What is the probability that the consumer is 18-24 years of age, given that they dislike…

A: To find the required probabilities, we will use the following facts P(A | B) = P(A and B)/P(B) P(A…

Q: A box with 15 silicon chips contains five defective chips. If a random sample of three chips is…

A: Given problem Given that   A box with 15 silicon chips contains five defective chips. Total…

Q: What is the probability that a randomly selected student prefers the arts or does not prefer…

A:

Q: what is the probability of selecting a diamond from a standard deck of cards?

A: Here we need to find the probability of selecting a diamond from a standard deck of cards. We know…

Q: A study conducted in a US city shows that 15% live in poverty. Find the probability that among 9…

A: GivenUS city shows that 15% live in povertyp=0.15n=9x~Binomial(n=9,p=0.15)P(X=x)=(nx)×px×(1-p)n-x…

Q: In a survey of Canadian nurses who worked more than 45 hours per week, it was found that 321 nurses…

A: Given Data n(nurse under 35 age)=321 n( nurse between 35 to 55 age)=403   Total=321+403=724

Q: If a randomly selected student owns a cell phone, what is the probability that this student also…

A:

Q: A survey reports that 53% of college students use Google as their search engine. If 100 students of…

A: Given that n=100 p= 0.53 q= n-p=0.47 μx= n*p= 53 Standard deviation= σ= sqrt(n*p*q)=4.991   Add…

Q: If the selected chip is white, what is the probability that the other chip in the bowl is red?

A: It is given that the white chip is selected. Hence, either bowl B or bowl C is chosen. (Bowl A has…

Q: According to a recent study, 24% of the USA population is Catholic. The survey also shows that 71%…

A: Percentage of population is Catholic is 24%. Percentage of Catholic are Democrats is 71%. Percentage…

Q: What is the probability that the person selected is a female?

A:

Q: What is the probability that a randomly chosen senior will have a GPA greater than 4.1? The…

A:

Q: ) What is the probability that a randomly selected student spends less than $481 on textbooks this…

A:

Q: An experiment consists of dealing 7 cards from a standard 52-card deck. What is the probability of…

A:

Q: What is the probability that a randomly selected song had 501-1,000 plays and was rock?

A: The row totals and column totals are given in the following table:

Q: What is the probability that a randomly selected participant tasted apples and preferred…

A: Followings are the Explanation of the question 1) Probability is ratio of Number of favorable cases…

Q: A poll is given, showing 80% are in favor of a new building project. If 9 people are chosen at…

A:

Q: Suppose that 75% of all college students use TikTok. If 15 are selected at random: a)What is the…

A: Given :  Let X : No. of college students use TikTok  p = 0.75  n = 15

Q: A recent study shows that 4% of California residents consider purchasing an electric car . If we…

A:

Q: What is the probability of randomly selecting a female respondent from the sample?

A: Given contingency table is:   Probability = number of favorable events/ Total number of events in…

Q: What is the probability that a randomly selected adult user of the Internet is age 50 or older?…

A: Let us define some events A : adult internet user is age 18-49 B : adult internet user is age 50 or…

Q: What is the probability that a randomly selected student owns a home, given the student is a female?

A: 5. The probability that a randomly selected student owns a home, given student is a female is,…

Q: An experiment consists of dealing 5 cards from a standard deck of cards. What is the probability…

A: It is known that Number of cards in a deck = 52 Number of diamonds = 13 Number of non-diamonds = 52…