Mary's Final Exam for Psychology has 10 True/False questions and 10 multiple choice questions with  4 choices for each answer. Assuming Mary randomly guesses on every question: **Write answers using  decimal 3 places** a.) What's the probability that she gets at least 6 of the 10  true/false questions correct?  b.) What's the probability that she gets at least 5  of the 10  multiple choice questions correct? c.) If the multiple choice questions had  choices for answers instead of , what's the probability that she gets at least 5  of the 10  multiple choice questions correc

Q: A pet store has 11 puppies, including 4 poodles, 5 terriers, and 2 retrievers. If Rebecka and Aaron,…

A: No.of poodles=4 No.of terriers=5 No.of retrievers=2 Total puppies=11

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: Solve. In a survey of American women who were asked to name their favorite color, 12% said blue, 15%…

A: According to the given information, we haveA survey of American women who were asked to name their…

Q: A multiple choice question has c available choices. Let p be the probability that the student knows…

A:

Q: test is conducted with 25 multiple choice questions. Each question has 3 possible choices, so the…

A: n=25,p=13Let p be the probability of student gets any of the questions right.X be the number of…

Q: In an experiment, a fair six-sided number cube, numbered 1 through 6, was rolled 2 times to…

A: In the 10 trials given above only on Trial 7 the first roll is 4 which is an even number and the…

Q: Determine whether the study is an experiment or an observational study, and then identify a major…

A: Given A sociologist has created a brief survey to be given to 2000 adults randomly selected from the…

Q: What score is expected?

A: Here use binomial distribution

Q: When flipped, a coin has a probability of 0.3 of landing “heads”. The coin is flipped 12 times. Each…

A: The random variable X is the number of heads The probability of getting a head is 0.3 The coin is…

Q: A multiple choice test consists of 6 questions, where for each question there are three answers…

A:

Q: A survey asked 3494 randomly selected high school seniors about their computer use. Among the 1,734…

A: We have given that,  Favorable cases (males use computers for three or more hours a day) = (X) = 677…

Q: A student randomly guesses at four multiple choice questions. Each question has three possible…

A: Let the random variable X denotes the number of correct answers and it follows binomial distribution…

Q: I need help with providing the formula and answer... Question: If your stats class contains 10…

A: 10 business majors 6 - biology majors 4 - math majors ________________________ 20 - total students…

Q: Sara draws the 10 of hearts from a standard deck of 52 cards. Without replacing the first card, she…

A: Given: Sara draws the 10 of hearts from a standard deck of 52 cards. Without replacing the first…

Q: Suppose there are 7 jelly beans in a box-4 red and 3 green. If a jelly bean is selected at random,…

A:

Q: Suppose that Alan is taking a multiple choice quiz where there are 3 choices for each question.…

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

Q: 1)Find the probability of randomly selecting a household that has one or two televisions.The…

A:

Q: Using the information in the following double-entry table, solve the following:     Men Women…

A: Given that ;  Using the information in the following double-entry table, solve the following:…

Q: At a store, customers are randomly selected to participate In a survey. On Friday, there were 500…

A: Given: At a store customers are randomly selected to participate in a survey. On Friday, there were…

Q: A multiple-choice test consists of 10 questions. Each question has answer choices of a, b, c, d, and…

A: It is given that a multiple-choice test consists of 10 questions and each question has answer…

Q: Jojo has just been given a 10-question multiple-choice quiz in history class. Each problem has five…

A:

Q: In an experiment, a fair six-sided number cube, numbered 1 through 6, was rolled 2 times to…

A: From the sample space number of desired outcomes are (2,5) (2,6) (4,5) (4,6) (6,5) (6,6). Therefore…

Q: A multiple-choice test consists of 6 questions. Each question has answer choices of a, b, c, and d,…

A: Let X is the number of correct questions and it follows a binomial distribution.It is given that…

Q: You are to randomly pick one disk from a bag that contains the disks shown below. Find…

A: There are total 3 blue disks. [blue with a heart, blue with a star, blue with a face] Among those 3…

Q: a. List the possible outcomes. O A. red/blond and blond / red O B. red/ red, red/blond, blond/ red,…

A:

Q: In a lottery, the top cash prize was $622 million, going to three lucky winners. Players pick five…

A: Given Pick 5 different number from 1 to 55 Pick 1 number from 1 to 48

Q: a. In the flexed arm​ condition, what is the probability that a consumer has a choice score of 59…

A: The average choice score for consumers with a flexed arm was 57, the average for consumers with an…

Q: A multiple-choice test consists of eight questions and three answers to each question (of which only…

A:

Q: There are 7 councilors in the Ames City council. Three of them are female. Suppose they need to…

A: Given data: The total number of councilors is n=7. The numbers of females are f=3. The expression…

Q: Work this problem involving a true/false and multiple choice test. Assume that the test has 7…

A: The probability of getting a true/false question correct is = 12 Total number of true/false…

Q: A multiple-choice test consists of 9 questions. Each question has answer choices of a, b, c, and d,…

A:

Q: How could you use a random-digit generator or random-number table to simulate rain if you knew that…

A: It is known that 30% of the time with condition in favor of rain.