1a. If you make random guesses on four multiple choice test questions (each with five possible answers), what is the probability of getting at least one question incorrect?

Q: A teacher has a jar that contains his students names: Maria, Jenna, Boyd, Melinda, Brett, Jacob,…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Twelve people are given two identical speakers to listen to for differences, if any. Suppose that…

A: Solution

Q: 1. What is the probability that a randomly chosen person from the survey works in the city and takes…

A: Using the basic concept of probability:Probability = X/Nwhere:X = number of favorable outcomesN =…

Q: Determine the probability that the second card is another 1010. P(10 ∣10 of hearts) =   ? b.…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Forty percent of Clinton County residents are uncomfortable using the Internet. Suppose 7 such…

A: Given that n =7 , p= 0.40 Find P ( X =5 ) = ?

Q: In the Lotsa Millions Lottery, players pick 7​​ numbers from between 1​ and 37​. The order of the…

A: In the Lotsa Millions Lottery, players pick 7​​ numbers from between 1​ and 37​.

Q: 76. If , a = 2a and ab = 18, what is the value of b? A. 2 B. 3 C 6 D. 9

A: Since you have asked multiple questions in single request  so we  will be answering only first…

Q: A person gets to draw one card at random from a jar with four cards for a cash price . The card…

A: Given No. of randomly selected draw card=1 Total cards in jar=4 Card values =1, 2, 4, and 5

Q: In a small private​ school, 6 students are randomly selected from 17 available students. What is…

A: Given: Number of selected students = 6 Total number of available students = 17 Formula Used: The…

Q: There are eight female board members and twenty-two male board members. a. How many ways are there…

A: Given : No. of female board members (F) = 8 No. of male board members (M) = 22 Total board members…

Q: 6. Richard has been given a 6-question multiple-choice.quiz in his history class. Each question has…

A: Number of questions = 6Each question has four choices, of which only one is correct.n=6, p =…

Q: 2. Dario puts 44 marbles in a box in which 14 are red, 12 are blue, and 18 are yellow. If Dario…

A: Given Dario puts 44 marbles in a box in which 14 are red, 12 are blue, 18 are yellow.

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: Consider a roll of two 4-sided dice. A. How many members will the outcome set have? B. If the roll…

A: In rolling of two 4-sided die, the possible outcomes we…

Q: A student must take a multiple choice exam with only one answer, the exam consists of 20 questions…

A: Let X =  number of correct answers X ~ bin (n , p) where, n = 20 p = probability of choosing the…

Q: You are given a standard deck of 52 cards. Three cards are chosen at random with replacement. What…

A: There are a standard deck of 52 cards and we have to find probability of choosing an ace, a spade,…

Q: A committee has fourteen members. There are three members that currently serve as the​ board's…

A: It is given that that the committee of 14 members, three already serving as the board 's chairman,…

Q: 10. Ron was playing a game of blackjack. Assuming the 52-card deck was randomly shuffled, what is…

A: To find the percent probability that he will be dealt a face card followed by a two in any suit:

Q: In a state legislature the elected representative include 17 Democrats, 13 Republicans, and 4…

A: Given  Elected representatives(34)=17(Democrat)+13(Republican)+4(independent)

Q: A survey of 100 people in New York City., NY found that, The probability that they take the subway…

A:

Q: 5. A multiple-choice quiz consists of 20 questions, each with 4 possible answers. Find the mean for…

A: A multiple choice quiz consists of 20 questions each with 4 possible answers. => P(correct…

Q: .Suppose Professor Otherperson gives her Stat 300 class a pop quiz that has 60 questions on it and…

A: Note- As per our policy, we can answer only 3 sub parts of a question.   Given information- We have…

Q: A university is putting together a hiring committee of 6 members for the next university provost.…

A: Answer The total pool member = 12+5+10                                        = 27We need to select…

Q: A sample of 100 wood and 100 graphite tennis rackets are taken from the warehouse. If 11 wood and 13…

A: Given,  no of wood rackets = 100 No of graphite rackets = 100 No of wood and defective = 11 No of…

Q: In a survey, 205 people indicated they prefer cats, 160 indicated they prefer dogs, and 40 indicated…

A: From the provided information, 205 people indicated they prefer cats, 160 indicated they prefer…

Q: In a group of 103 students, 34 are diploma level and 22 are bachelor level. Find the probability…

A: Given that Group of 103 students 34 are diploma level and 22 are bachelor level Now, the number of…

Q: A student writes a ten-question multiple choice quiz. Each question has four possible responses. The…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: A survey has four question True/False was given out. You randomly pick one out of the stack.…

A:

Q: You have a jar with sixteen gumballs. Four are purple, six are silver, three are blue, and three are…

A:

Q: If you know the names of the remaining ten students in the spelling bee, what is the probability of…

A: To find: Probability of selecting the correct spelling bee order.

Q: Twelve adults were surveyed and asked how many children they had. The results are:…

A: Twelve adults were surveyed . The results are:  1,3,0,2,2,0,1,1,3,2,0   Number of adults with  at…

Q: 40 people went to the fair.  30 people either went on the merry-go-round, the roller coaster or…

A: Given that: the total number of people who went on roller coaster= 15 And the total number of people…

Q: A university is putting together a hiring committee of 9 members for the next university provost.…

A: From the provided information,Total members = 4 + 9 + 11 = 24A committee of 9 members is hired.

Q: 4. According to the South Carolina Department of Mental Health web site, for every 200 U.S. women,…

A: given dataone out of 200 suffer from anorexia∴ λ = 1200t=n=600 people group∴ λt = 1200*600 = 3p(x=X)…

Q: a. What is the probability this student passes the exam? b. Use R to compute the exact value of the…

A: 5. Let X be the number of question correct which follows binomial distribution with sample size 20…

Q: A mathematics department has 10 theoretical mathematics professors and 3 applied mathematics…

A: We have given that  A mathematics department has 10 theoretical mathematics professors and 3 applied…

Q: 3. Consider a roll of two 4-sided dice. A. How many members will the outcome set have? B. If the…

A: Given problem is : Consider a roll of two 4-sided dice. A. How many members will the outcome set…