A teacher offers ten possible assignments for extra credit in a course but requires students to choose them, without looking, from a hat. Six assignments involve library research and four are computer programming exercises. Suppose that a student chooses two assignments, one after the other, at random without replacement. (a) What is the probability that both assignments are computer programming exercises? (b) What is the probability that at least one of the assignments is a computer programming exercise?

Q: A hat contains 54 Green slips of paper and 18 Grey slips of paper (and nothing else). Two slips are…

A: Number of green slips = 54 Number of grey slips = 18 Total number of slips = 54+18 = 72   The…

Q: john, Juan, Antonio, and Eve are billing clerks in an office. Of the number of erroneous billings…

A: Let X = (X1, X2, X3, X4) be the erroneous billings prepared by Mark, Bill, Linda, Joan respectively.…

Q: A vendor has 18 balloons for sale: 9 are yellow, 3 are red, and 6 are green. A balloon is selected…

A: It is given that the total number of balloons is 18. Among 9 are yellow, 3 are red, and 3 are green.

Q: In Psychology, the fundamental question is: Will a lab rat, going through a maze, go left or right?…

A: Let the event E be "going to left 4 times". Now, this is a Binomial distribution with n=10,r=4. We…

Q: A coin purse contains: - 9 quarters - 5 dimes - 7 pennies - 4 nickels A coin is drawn from the coin…

A: Given No of quarters = 9 No of dimes = 5 No of pennies = 7 No of nickels = 4 A coin is drawn from…

Q: In​ basketball, "one-and-one" free throw shooting​ (commonly called foul​ shooting) is done as​…

A: Introduction: It is understood that the player scores 1 point for making each free throw. As the…

Q: If there are eight questions and each question has four answer choices, what is the probability she…

A:

Q: Cards are dealt from a full standard deck of 52 cards. Find the probabilities of: •The first card…

A: Given data: The total numbers of cards are n=52. The numbers of clubs are c=13. Write the expression…

Q: Assume that there are 21 frozen dinners: 11 pasta, 7 chicken, and 3 seafood dinners. The student…

A: Given, no.of pasta dinners=11no.of chicken dinners=7no.of seafood dinners=3Total no.of dinners=21

Q: Mr. Caywood filled out a bracket for the NCAA National Tournament. Based on his knowledge of college…

A: From the provided information,Probability of guessing any one game correctly (p) = 0.53n = 32

Q: mr. keller filled out a bracket for the NCAA national tournament. Based on his knowledge of college…

A: Probability of guessing any one game correctly=0.48

Q: In manufacturing company, there are three different manufacturing operation: Machining, Polishing,…

A: GivenNo.of machine tools for machining=8No.of polishing tools =10No.of painting tools=12Total no.of…

Q: A book can be classified as either non-fiction or fiction. Suppose that 96% of books are classified…

A: It is given that 96% of books are classified as fiction.

Q: here exists a coin with two possible outcomes: heads or tails. However, this coin is not fair, and…

A: probability is simply how likely something is to happen after many repeated trials.

Q: what is the probability of at least one of the two outcomes occurring?

A: Here given , Let Outcome 1 be “Today is Saturday or Sunday.” Let Outcome 2 be “Today is a day of the…

Q: A moving company as a truck filled for deliveries to three different sites. If the order of the…

A: The main agenda is to find the probability that it is the shortest route?

Q: A school give training on two games for the students. Soccer (S) and basketball (B). The probability…

A: Given data: The probability that a student plays at least one game is P(SUB)=0.8. The probability…

Q: A salesperson plans to visit Avon, Batesville, Carmel, Delphi, and Evansville on his business trip.…

A: Given that A salesperson plans to visit Avon, Batesville, Carmel, Delphi, and Evansville on his…

Q: 5) The principle of redundancy is used when system reliability is improved through redundant or…

A: Given data:   The probability that the alarm clock works on any morning is P(M)=0.9   (a) The…

Q: Suppose a thief has stolen your ATM card. The card has a four-digit PIN. The thief knows that the…

A: There are 10 numbers possible for first digit; 2 numbers possible for second digit; 1 number…

Q: A group of five students is selected at random to participate in a survey. Find the probabilities…

A: The two variables are the student's major and whether they take day or evening classes.Total number…

Q: Rehnuma has a set of three special coins. For the first, second and third coin, probability of…

A: Given data,    Numbers of coin Rehnuma have is 3. Probability of getting head on first coin is 50%.…

Q: Ms. Bell's kindergarten class has 20 students. Every morning, she draws the name of one student at…

A: Given that there are total 20 students.So the theoretical probability of each student being selected…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.