When making random guesses on an 6 question quiz the probability of guessing correctly on any one question is 0.25. What is the probability of guessing correctly on at least one question? O 0.857 O None of these O 0.178 O 0.874 O 0.822

Q: d. What is the probability that four or more of the LED light bulbs are defective? The probability…

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Q: A box contains 3 white, 8 red and 9 blue balls. If 3 balls are selected at random then the…

A: We want to calculate the probability of one ball of each color P(one ball of each color)=P(A)

Q: A total of 20 children, 14 men, and 12 women entered a raffle drawing. If the winner is randomly…

A: Total of men and women is given by 14+12=26Total of children, men and women is given by…

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: C. The probability that the the child will be older than 5 years old? | 0.8681 d. The probability…

A: Consider that the answer of the given part a, b, and c are the correct answer. And distribution is…

Q: Many people swimming to St. Martin Islands from Teknaf get lost, of whom 30% are found by trained…

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Q: Which one of the following is not a valid number for a probability? Oa. 0.32 O b. 17% O c. 0 Od. 1.5

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Q: What is the probability of winning a lottery in which you must choose 4 numbers from the numbers 1…

A: We have to find the probability of winning a lottery in which you must choose 4 numbers from the…

Q: airdie is rolled, then the probability that an even number is rolled is a. 0 b. 1/2 c. 1/6 d.…

A: We have  to find the probability that an even number is rolled is..

Q: What is the probability  of getting at least 1 head on 5 successive tosses of a coin? a. 3/4 b.…

A: A coin is tossed 5 successive times. The total number of possible outcomes is, N=2n Here, n is the…

Q: What is the probability that a number selected at random from the first 50 positive integers is…

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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: You are given an unbalanced coin with 40% chance for heads. If you tossed this coin 10 times, find…

A: We have to find correct answer..

Q: There are 5 red balls and 3 green balls in a jar. What is the probability of NOT getting a green…

A: Given information: Total number of red balls in a jar is: n(r)=5 Total number of green balls in a…

Q: Two cards are selected from a standard deck of 52 playing cards. The first card is not replaced…

A: Total Cards in deck = 52 Number of club in the deck = 13 Number of spade in the deck= 13 Probability…

Q: Two hundred math teachers were given a survey that asked two questions:  1. Do you own a…

A: Let , M=a student owned a motorcycleC =a student owned a…

Q: The probability that a customer makes a purchase in a store is 0.3. Assume that customers make…

A: Given,n=5p=0.3Let X=no.of customers will purchases in the storeX~Binomial(n=5 ,p=0.3)P(X=x)=5x…

Q: use techology to randomly select two numbers from 1 to 6. Find the sum and subtract 1 to obtain a…

A: It is needed to find two numbers from 1 to 6.

Q: A die is rolled 9 times. Find the probability of rolling no more than 3 fives. The probability of…

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Q: What is the probability that at least 3 of them are met? Select one: a. 0.92 b. 1 c. 0.5 d.…

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Q: There are 9 applicants for a job, and 3 will be hired. What is the probability of correctly…

A: Given: n=9

Q: a 6 multiple-choice questions with one correct answer out of 3 choices for each question. What is…

A: For any question there may be two case 1. Either true  2. Or false So only two situation may be…

Q: 2. If a fair die is rolled, what is the probability of getting: a. an odd number or a multiple of 4?…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: What are the chances that there will be more boys than girls in a household with 11 children? 0.2256…

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Q: Ina state's Pick 3 lottery game, you pay $0.84 to select a sequence of three digits (from 0 to 9),…

A: Note- As per our policy we can answer only the first 3 sub-parts of a question. If you want…

Q: John runs a computer software store. He counted 120 people who walked by his store in a day, 53 of…

A: Given : Number of people who came into the store = 53 Out of 53, number of people who bought…

Q: Which of the following values can be a probability? O a. -0.984 O b.-2.575

A: We have given that,  Which of the following values can be a probability?  We have to check the…

Q: Explain how the complement can be used to find the probability of getting at least one item of a…

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Q: A multiple-choice test contains 25 questions, each with four choices. Assume a student just guesses…

A: Probability is the chance of occurrence of an event.

Q: A magician draws 13 cards from a deck. Determine the chance that he gets two five ♥, three, and…

A: Obtain the probability that he draws 2 diamonds, five hearts, 3 spades and 3 clubs. The probability…

Q: In answering a question on a multiple-choice test, a student either knows the answer or guesses. Let…

A: Given Data: P( Student knows and Correct Answer)=3/4 P( Correct Answer)=34+14×14=1316

Q: Suppose you are taking a multiple-choice test with c choices for each question. In answering a…

A: Given: The number of choices for each MCQ question is c. The probability of knowing the answer is p.…

Q: ssume that 28% of people are left-handed. If we select 5 people at random, find the probability of…

A: Let p be the probability that a person is left handed. Given that p = 0.28 Let X denote the number…

Q: The number of cellular phones sold per day at the E-Cell Retail Store with the corresponding…

A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: How to find the probability the number on top is even or less than 3?

A: A die has 6- sides: 1, 2, 3, 4, 5, 6. The possible outcomes for the number on top is even or less…

Q: A recent poll found that 68% of Americans worry about cancer. Show your work using the appropriate…

A: a. The binomial probability distribution function is, PX=x=nxpx1-pn-x In the formula, n denotes the…

Q: Compute the probability that a five-card poker hand is dealt to you that contains 4 Aces. Question…

A: Here,We have to find the probability that a five-card poker hand is dealt to you that contains 4…

Q: A nervous kicker usually makes 70% of his field goal tries. If he makes his first attempt in a game,…

A: Given : A nervous kicker usually makes 70% of his field goal tries. If he makes his first attempt in…

Q: What is the probability of getting the same score in three consecutive throws of a single fair die?…

A: According to the given information, we have A single fair die thrown three times.