Find the smallest value of n that the probability of guessing at least n correct answers is less than

Q: Assume that guesses are made for 5 questions on a medical admissions test such that the probability…

A: Given: Probability of correct answer (p) = 0.40 Number of questions (n) = 5 Consider, X be the…

Q: Find the probability of obtaining 2 ones, 1 two, 1 three, 2 fours, 3 fives, and 1 six in 10 rolls of…

A: Solution

Q: An individual chooses a prime number that is less than 13. What is the probability that the number…

A: Here the individual chooses a prime number less than 13. Prime numbers less than 13 is given by…

Q: The probability that a person catches a cold during the cold and flu season is 0.4. Assume that 10…

A: The probability that a person catches a cold during the cold and flue season = p = 0.4 Sample size =…

Q: In a large population, 55 % of the people have been vaccinated. If 3 people are randomly selected,…

A: Probability that people have been vaccinated = 55% = 0.55 Sample size, n = 3

Q: A quiz consists of 20 multiple-choice questions, each with 5 possible answers. For someone who makes…

A: X=the number of correct answers n=sample size= 20 p=probability of success=15=0.2 (because there are…

Q: Find the probability for the experiment of tossing a six-sided die twice The sum is less than 9.

A:

Q: A quiz consists of 20 multiple-choice questions, each with 5 possible answers. For someone who makes…

A: Here, the student is making random guesses.Hence,the probability of an answer turning out to be…

Q: The ratio to the probabilities of 3 successes and 2 successes among a Endependent trials = find the…

A: Answer: For the given data, Using binomial distribution,

Q: If the weights of children are distributed according to the N ( 40 , 125 ) , then the probability…

A: We have given that, Let X are normally distributed with mean (Mu) = 40 and standard deviation…

Q: d. Find the probability that fewer than 80 patients will have the average wait time. Page 3 / 3

A: (a)   Obtain the value of mean.   The value of mean is obtained below as follows:   Let X denotes…

Q: Suppose that you flip a coin 10 times. What is the probability that you achieve at least 5 tails?

A: We have to find the probability that you achieve at least 5 tails.....

Q: Assume you throw one “fair” astragalus 100 times. What is the probability that it lands on a“4”…

A: Given :  n = 100 The probability that it lands on 4 is 0.30

Q: A coin has a probability of p = 0.5 for getting a head in each toss. And it was tossed 6 times. What…

A: Given: Probability of heads (1 - p) = 0.50 Probability of success or tails (p) = 1 - 0.50…

Q: 4. The probability that Vittorio will wait at least 10 minutes less than Ugo.

A:

Q: A quiz consists of 10 multiple-choice questions, each with 4 possible answers. For someone who makes…

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

Q: The probability that a person, living in a certain city, owns a dog is estimated to be 0.3. Find the…

A: Givenp=0.3the tenth person randomly interviewed in that city meanssample…

Q: Assume that guesses are made for 2 questions on a medical admissions test such that the probability…

A: Here, n = 2 and p = 0.80.

Q: A drunken man who has n keys wants to open the door if his office. He tries the keys at random, one…

A: Given The total number of keys =n The unsuccessful keys are eliminated and one by one keys are tried…

Q: Find the probability for the experiment of tossing a six-sided die twice. The sum is less than 8.

A: Given data: The numbers of dice rolled are n=2. The expression for the numbers of sample space is,…

Q: In a certain manufacturing plant, 6% of the finished product are defective. Solve for the…

A:

Q: A student takes a true false examination consisting of 8 questions. He guesses each answer. The…

A:

Q: Find the probability that a telephone call selected at random will last a. between 1 minute and 2…

A:

Q: A literature professor decides to give a 15-question true-false quiz. She wants to choose the…

A:

Q: Determine the probability that will get 4 green lights in a series of 5 lights.  Assume the chance…

A: Given: The total number of lights are n=5. The probability of a light being green is p=0.4. Let X be…

Q: In a recent survey conducted by the International Nanny Association, 4,176 nannies were placed in a…

A: Yes, it is appropriate to divide 24 by 4,176.

Q: An emergency center receives an average of 4 emergency calls in 10 minute intervals. How much the…

A:

Q: The probability of randomly sampling someone in my neighborhood and finding that they own a pet is…

A: Obtain the probability that exactly 5 of them own a pet in any order. The probability that exactly 5…

Q: Suppose you ask a friend to randomly choose an integer between 1 and 10, inclusive.What is the…

A:

Q: SHOW COMPLETE SOLUTION. If 30% of the bolts produced by a machine are defective, determine the…

A: Given,n=4p=0.3q=1-0.3=0.7A random variable X~Binomial(n=4 , p=0.3)P(X=x)=4x0.3x0.74-x  ;…

Q: A literature professor decides to give a 10-question true - false quiz to determine who has read an…

A: b.From the given information, observed that a literature professor decides to give a 10-question…

Q: d. Assume that Google has designed its servers so there is probability 0.01 that the number of…

A: It is given that the mean is 2,800 and standard deviation is 860.

Q: The probability of a number cube landing on 5 is 1/6.  If a number cube is tossed 72  times, how…

A: Given that: n=the number of trials=72 p=probability of landing on 5= 1/6   Each toss is independent…

Q: How many pennies can Morgan expect to select if he reaches into the bag 186 times, and replaces the…

A: Let p be the probability that Morgan will randomly select a penny from a bag of coins. Given that p…

Q: Find the probability of purchasing a ticket with a number whose sums of the first three and last…

A:

Q: A student takes a 20-question, true/false exam and guesses on each question. Find the probability of…

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

Q: Suppose that a fast food restaurant can expect two customers every 3 minutes, on average. What is…

A: Given: Mean number of customers every 3 minutes = 2 Mean number of customers for 9 minutes = 2×93=6…

Q: A quiz consists of 10 multiple- choice questions, each with 6 possible answers. For someone who…

A: Given A quiz consists of 10 multiple- choice questions, each with 6 possible answers To Determine…

Q: Find the probability of purchasing a ticket with a number whose sums of the first three and last…

A: There are 28 possible sums for three digits, but they are not equiprobable. Let’s analize first this…

Q: The probability that a patient correctly diagnosed by a doctor with a rare stomach disease is 0.4.…

A: Binomial distribution is discrete distribution that deals with the probabilities of success and…

Q: Find the probability of winning second prize (that is, picking five of the six winning numbers) with…

A:

Q: Find the chances that at least two people in our class (n=66) have the same birthday (MM/DD)?

A:

Q: Find the probability that in a family of 5 children, there will be at most 2 girls. Assume that the…

A: Solution: Let X be the number of girls and n be the sample number of children. From the given…

Q: Find the probability of obtaining an even number or a number can be divided by 3 without remaining…

A: It is an important part of statistics. It is widely used.

Q: 3. The probability that Vittorio waited less than 5 minutes, given he is not at the bus stop after…

A: Given that, Ugo and Vittorio arrive at the bus stop and wait for two different buses. U and V be the…

Q: The probability of finding a gold card is 0.03. What is the probability that 2 out of 25 randomly…

A: