A student is about to take a 20-item multiple choice exam (with 4 choices) without studying, and plans to guess the answer for every number. What is the probability that the student will score 18 or above? O 3.61x10^-7

Q: A dice and a coin are rolled together, find the probability of getting an even number with a head or…

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Q: A construction company plans to invest in a housing project. There is a 30% chance that the company…

A: Given a construction company plans to invest in a housing project. There is a 30% chance that the…

Q: A student ran out of time on a multiple choice exam and randomly guessed the answers for two…

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Q: If there is a 2% chance that a child will be born with a disease X, what is the probability that no…

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Q: Suppose a jar contains 14 red marbles and 40 blue marbles. If you reach in the jar and pull out 2…

A: Given that: A jar contains 14 red marbles and 40 blue marbles. We reach in the jar and pull out 2…

Q: What will be the probability of losing a game if the winning probability is 0.4533? (just put the…

A: Probability: Probability is a chance factor that occurs at every outcome of a random experiment.…

Q: From a group of 10 people, you randomly select 3 of them. What is the probability that they are the…

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Q: find the probability that the student gets at least 1 correct

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Q: A three-digit number is made by choosing three different digits from 2, 3, 5, 7 and 8. What is the…

A: Given information: A three-digit number is to be made from the numbers 2, 3, 5, 7, and 8. The…

Q: A test has a 5 items with 4 choices each item. What is the probability of getting 1 correct answers…

A: Solution-: A test has a 5 items with 4 choices each item. We want to find P(getting 1 correct…

Q: the probability that a number selected from the numbers (1, 2, 3,......,15) is a multiple of 4?

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Q: A bag contains a large number of balls colored red, green or blue. If the probability of choosing a…

A: The bag contains red, green and blue. The probability of choosing a red ball is 0.425 and the…

Q: Some three-digit numbers, such as 101 and 313, read the same forward and backward. If you select a…

A: Given,  Three digit numbers that read the same forward and backward. To find the probability that…

Q: A zoologist has determined that Loggerhead Sea Turtle eggs hatch about 65.2% of the time. What is…

A: Given: n=107 p=65.2%   =0.652

Q: you are to choose two numbers from 1 to 7. What is the probability of choosing the second number…

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Q: A lock consists of 4 dials where each dial has 6 letters what is the probability of guessing the…

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Q: The probability of selecting a letter worth 4 points is (Type an integer or a simplified fraction.)

A: Here use basic probability  = #Favorable outcome/#total outcomes

Q: What is the probability of correctly predicting the first four runners to complete the race, in the…

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Q: Two different colored dice are rolled simultaneously. What is the probability of getting a sum of 8…

A: we know that, Probability of particular event = Number of desired outcomes / total number of…

Q: A lock consists of 4 dials, where each dial has 6 letters. What is the probability of guessing the…

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Q: Suppose a jar contains 9 red marbles and 37 blue marbles. If you reach in the jar and pull out 2…

A: Givenjar contains 9 red marbles 37 blue marbles. If you reach in the jar and pull out 2 marbles at…

Q: From a group of 9 people, you randomly select 2 of them. What is the probability that they are the 2…

A: Solution:

Q: terback completes 67% of his passes, what is the probability that he will not complete his

A: A: The quarterback will complete passes The probability of passing is  P(A) = 0.67

Q: Give me an 5 example of joint probability with solution please

A: Note: Hi there! Thank you for posting the question. As you have asked for more than 1 solution, as…

Q: a three digit number is made by choosing 2,3,5,7,8. what is the probability that the number chosen…

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Q: Two different colored dice are rolled simultaneously. What is the probability of getting a sum of 5…

A: Two colored dice are rolled simultaneously.

Q: A city council consists of 4 democrats and 7 republicans. If a committee of 6 people is selected…

A: we have to find the probability of selecting 5 democrats and 1 Republican.

Q: A lock consists of 2 dials, where each dial has 4 letters. What is the probability of guessing the…

A: Experiment : Guessing the combination Event: Guessing the right combination.

Q: A quick quiz consists of a multiple-choice question with 4 possible answers followed by a…

A: A quick quiz consists of a multiple-choice question with 4 possible answers followed by a…

Q: The probability of getting a sum of 5 is (Type an integer or a simplified fraction.)

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Q: Suppose that in a particular game two dice are tossed. If the two dice sum to nine or eleven, the…

A: Total number of possible outcomes while tossing two coins =36 Total possible events for sum to nine…

Q: Ramn can solve 80 per cent of the problems given in his statistics book. Mohanh can solve 70 per…

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Q: A single card is drawn from a standard deck of 52 cards. What are the odds in favor of drawing an…

A: A single card is drawn from a standard deck of 52 cards. What are the odds in favor of drawing an…

Q: Among a student group 49% use Google Chrome, 20% Internet Explorer, 10% Firefox, 5% Mozilla, and the…

A: Probability of students using Google chrome= 0.49Probability of students using other browsers = 0.51

Q: Suppose the probability that Bill will graduate from college is 0.70. What is the probability that…

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Q: If 4 whole numbers taken at random are multiplied together, show that the chance that the last digit…

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Q: In a multiple choice test there are 10 questions each has five choices, of which one is the true…

A: Consider a random variable X which represents the number of correct question in a sample of 10…

Q: If a student randomly guesses at 20 multiple choice questions find the probability that the student…

A: There are total number of n=20 multiple choice questions. Either answer will be correct or incorrect…

Q: If a student randomly guesses at 15 multiple-choice questions, find the probability that the student…

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Q: While driving along a long route that has 5,000 intersections, the probability of encountering a red…

A: Given  n=5,000, p=0.005, we want to find the probability  P(X>=2)= ? By using normal…

Q: A multiple choice quiz has 5 questions, each one of the first three questions has four possible…

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Q: In one draw, what is the probability of drawing a blue card or an even number?

A: In a deck of 52 cards there are 4 suits : hearts, clubs, spades, diamonds. Each suite has thirteen…

Q: Find the probability of choosing a letter other than the letter G from a bag that contains the…

A: we have to find given probability..

Q: Suppose a jar contains 11 red marbles and 10 blue marbles. If you reach in the jar and pull out 2…

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Q: If the probability of seeing a ship from the beach in 1 hour is 0.35, what is the probability of…

A: Given that ,The probability of seeing a ship from a beach in hour is 0.35 .

Q: There are 14 runners in a 1500m race. What is the probability of predicting the first five runners…

A: Given that there are total 14 runners.  We have to select the first 5 runners.  Here the order…

Q: The probability that a person gets diagnosed with cancer at some point in their lifetime is 38%. If…

A: The p-value, or probability value, tells how likely it is that the sample data could have occurred…

Q: If a student randomly guesses at 18 multiple-choice questions, find the probability that the student…

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Q: Your college id number consists of 8 digits.  Each digit can be 0 thru 9 and each digit can be…

A: The first digit cannot be zero but numbers can repeat, than there will be 9 options for the first…

Q: Suppose that 64% of people own dogs. If you pick two people at random, what is the probability that…

A: Given Data; Let X represent the random variable   n=2 p=0.64   X~ Binomial (2, 0.64)