Multiple-Choice Exam A student takes a 19-question, multiple-choice exam with two choices for each question and guesses on each question. Assume the variable is binomial. Find the probability of guessing at least 8 out of 19 correctly. Round the answer to at least four decimal places. P(guessing at least 8 out of 19 correctly)=

Q: Question A student takes a multiple choice examination with 10 questions, each with five possible…

A: Let X be the number of questions answered correctly among the 10 questions given. Then, X~ bin(n,p),…

Q: A cooler contains 9 cans of Pepsi and 8 cans of Ginger Ale. Two cans are randomly chosen, one at a…

A: The cooler contains 9 cans of Pepsi and 8 cans of Ginger Ale. Two cans are to be randomly chosen,…

Q: Flip a dime and a penny at the same time. Find the probability of the event that two faces are same.…

A: Since both dime and penny have a head and a tail, the sample space can be given as {HH, HT, TH, TT}

Q: Find the probability of getting 4 aces when 5 cards are drawn from an ordinary deck of cards. A…

A: Total number of cards = 52 Number of aces = 4 Number of non-aces = 52-4 = 48

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Q: The probability that a spark plug is defective is 35%. Suppose that a person buys 7 spark plugs.…

A:

Q: A small class has  9  students,  5  of whom are girls and  4  of whom are boys. The teacher is…

A: GivenNo.of girl students=5No.of boy students=4Total no.of students=9

Q: List four (4) properties of binomial experiments and give two examples of such experiments.

A: Binomial distribution is a type of discrete distribution, in which the variable is the number of…

Q: Baseball player has .265 batting average.  Probability that he gets 6 hits in next 7 at bats

A:

Q: Dr. Vitz is a professor in Engineering Statistics. She gives questions multiple choice tests. If…

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Q: A student takes a 30 question multiple choice test where each answer has answer choices (a) - (d).…

A: Let x follows binomial distribution with parameters n = 30 and p = ¼ = 0.25   The pdf of binomial…

Q: Hand Written please.    Use the binomial table! You are randomly selecting a sample of 12…

A: Given that  Number of trials n=12 Success of probability p =0.70 X~binomial ( n, p)

Q: PROBABILITY UPVOTE WILL BE GIVEN. PLEASE WRITE THE COMPLETE SOLUTIONS LEGIBLY. NO LONG EXPLANATION…

A: blood type proportion A 0.41 B 0.1 AB 0.04 O 0.45

Q: Multiple-choice questions each have 4 possible answers, one of which is correct. Assume that you…

A: There are 3 multiple choice questions and each question has 4 possible answers among which only one…

Q: the probability of an event is givsen, find the odds of the event.   .045

A:

Q: 4) A bag contains four red marbles and three blue marbles. You randomly pick a marble and then…

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Q: In a city, 6% of the population have contracted a particular disease. A test for this disease is…

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Q: Multiplication Rule: A bag contains 8 white, 4 blue, 9 red, 7 yellow, and 4 green marbles. A marble…

A: There are 8 white, 4 blue, 9 red, 7 Yellow, and 4 green marbles in a bag.

Q: A bicycle factory runs two assembly lines, A and B. 95% of line A's products pass inspection and 88%…

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Q: Use the formula for the probability of the complement of an event. Two dice are tossed. What is the…

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Q: Find the probability of this event. Enter each answer as a fraction in simplest form, as a decimal,…

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Q: A poll showed that 45.2% of Americans say they believe that Marilyn Monroe had an affair with JFK.…

A: Given, Marilyn Monroe had an affair with JFK= 45.2% Probability that randomly selected individual…

Q: Find the probability of getting 6 face cards (king, queen, or jack) when 6 cards are drawn from a…

A: We have given that the 52 cards of a standard deck. Total face card = 12

Q: Use the multinomial formula and find the probabilities for each. Round your answers to at least…

A: Given information,n = 6, X1 = 1, X2 = 2, X3 = 3, P1 = 0.4, P2 = 0.3, P3 = 0.3Using formula…

Q: Decide which of these numbers could not possibly be probabilities. Explain your answers.…

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Q: Find the probability of selecting a red card from a standard deck of cards. a 1 4 1 52 1 13

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Q: Directions: Solve the given problem. Show your solutions. Of all the registered automobiles in…

A: Given that n =12 ,p =0.08

Q: When tossing a coin, what is the probability of tossing three heads in a row? write your answer in…

A: Answer: From the given data, When tossing a coin, There will be two outcomes. Either a head or a…

Q: You randomly select a number between 1 and 10 twice. Find the probability of selecting a multiple of…

A: Let, A = {When randomly selecting a number from 1 and 10 twice such that to get a multiple of 2 at…

Q: You are given the following information about a general liability book of business comprised of 2500…

A:

Q: A student takes a 40-question multiple-choice exam but did not study and randomly guesses each…

A: Given n=40 P=1/3