A number from 1-50 is chosen at random. What is the probability that it is a perfect square or a multiple of 4?
Q: There are 1000 students in the year level and they have to participate in a certain activity. They…
A:
Q: You roll a standard die 3 times. What is the probability you roll a 6 on the first roll, an even…
A: If standard die is rolled than the possible outcomes ares=(1,2,3,4,5,6)No.of even numbers=3…
Q: A new computer user creates a password consisting of one letter followed by a one-digit number (0 –…
A: Given data: The total number of digits is n=10. The total number of the alphabet is A=26. The…
Q: You pick 6 digits (0-9) at random without replacement, and write them in the order picked. What is…
A: In this situation order of picking is important indicating that permutation is used. The total…
Q: suppose that 64% of people own dogs. If you pick two people at random, what is the probability that…
A: Solution: Given information: Let A be the event that people having own dog P(A)= 0.64
Q: quiz has 11 multiple choice questions with each having 3 choices. Suppose a student decides to…
A:
Q: A bag contains 4 red balls and 6 black balls. 2 balls are chosen at random one by one without…
A: 4 red 6 black _____________ 10 total balls select 2 balls at random without replacement P(both…
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: A bag contains a total 20 marbles; 8 blue, 7 red, and 5 white If 2 marbles are chosen without…
A: From the provided information, Total marbles a bag contains = 20 Blue marbles = 8 Red marbles = 7…
Q: Assume that you select 2 coins at random from 8 coins: 3 dimes and 5 quarters. What is the…
A:
Q: A student taking a true-false test consisting of 10 questions guesses at the answers. Assuming that…
A: Givensample size(n)=10In true or false the probability of making correct guess isp=12=0.5 Let "x"…
Q: A person wrote n letters, sealed them in envelopes and wrote the different addresses randomly on…
A:
Q: A true-false quiz has 7 questions. A student makes random guesses on each question. What is the…
A: Given Information: A true-false quiz has 7 questions. A student makes random guesses on each…
Q: Suppose there are 3 white balls, 4 black balls and 2 red balls in a box. If one ball is randomly…
A: Number of white ball in box = 3 Number of black ball in box = 4 Number of red ball in the box =2…
Q: You pick 7 digits (0-9) at random without replacement, and write them in the order picked.What is…
A:
Q: the probability that a number selected from the numbers (1, 2, 3,......,15) is a multiple of 4?
A:
Q: A person randomly rolls two dice repeatedly. Find the probability that the first time the sum is…
A: We have to find given probability...
Q: You randomly select an integer from 0 to 19 (inclusively) and then randomly select an integer…
A: For first if we select an integer 0 to 19 so there will be total 20 so the probability of selecting…
Q: The probability that a one, two, or six will appear face up on the throw of one die is
A: Suppose one die is rolled. Then its sample space is written as, S=1, 2, 3, 4, 5, 6
Q: A quiz has 12 multiple choice questions with each having 3 choices. Suppose a student decides to…
A:
Q: 100 people each have a probability of 0.01 of contracting a disease. What is the probability that…
A: Let the random variable X denote the no. of people contracting a disease and it follows binomial…
Q: 5*Boxes A and B, Box A contains 9 cards numbered 9-1 and Box B contains 5 cards, numbered 5-1. A box…
A:
Q: A math teacher chooses 8 students at random from a class of 38 to solve a problem at the…
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: e residents of a city rank the six cell phone companies in their area. What is the probability that…
A: The residents of a city rank the six cell phone companies in their area. P(Correct order)=?
Q: A lock consists of 4 dials where each dial has 6 letters what is the probability of guessing the…
A:
Q: Suppose that 68% of people own dogs. If you pick two people at random, what is the probability that…
A: According to the provided information, 68% of people own dogs.
Q: Imagine that your ATM card had a 4 digit code, but you can only choose from 7 options, i.e. the…
A: Given: ATM card had a 4 digit code and had numbers from 1-7. The repetition of digit is allowed.
Q: A bag of marbles contains six red marbles, five green marbles, and three yellow marbles. If you…
A: We have given that Number of red marbles = 6 Number of green marbles = 5 Number of yellow marbles =…
Q: Two marbles are drawn with replacement from a box with 3 white, 2 green, 2 red, and 1 blue marble.…
A: Given,Number of white marbles, n(W) = 3Number of green marbles, n(G) = 2Number of red marbles, n(R)…
Q: In a class of 15 students there are 5 boys and 10 girls If a committee of 6 students is selected at…
A: 5 - boys 10 - girls ____________ 15 - students in class select committee of 6 students. p( 3 boys…
Q: If half of the 100 passengers are men, find the probability that the mean height of the 50 men is…
A: The mean is 69 and standard deviation is 2.8.
Q: If you choose two numbers from 1 to 67 what is the probability that one number is greater than…
A: Event: In probability theory, an event is an outcome or a set of outcomes of a random experiment to…
Q: If the probability that you get a grade of "A" in this class is 90%, find the probability that you…
A: Given information Probability that you get a grade of "A" in this class p = 0.90
Q: I forgot the last digit of a 7-digit telephone number. If 1 randomly dial the final 3 digits after…
A: We have given that the last digit of a 7-digit telephone number and the final 3 digits are randomly…
Q: The digits 2, 3, 4, 5, 6, and 7 are randomly arranged to form a three-digit number. (Digits are not…
A: Given digits is 2,3,4,5,6,7No.of digits = 6No. of digits number to be arranged = 3
Q: A test has four true-false questions. A completed test paper is selected at random and the four…
A: Note that each questions are independent of each other. Now a question has two options True / False.…
Q: If two players play this game
A: Fair means The coin has to get a chance heads or tails is 50-50%. unfair coins having more chances…
Q: You roll a die five times. What is the probability that you will see a string of three or more…
A: Given data: *The die is rolled 5 times, n=5. The probability of getting one (success) when a one die…
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 ;…
Step by step
Solved in 2 steps
- Suppose that you have two quarters, one dime and three nickels in your pocket. You randomly select two coins one after another without replacement from your pocket. Find the probability that the first coin is a nickle given that the second coin is a quarter.Suppose that 62% of people own dogs. If you pick two people at random, what is the probability that they both own a dog?Give your answer as a decimal (to at least 3 places) or fractionIn a large population, 63 % of the people have been vaccinated. If 3 people are randomly selected, what is the probability that AT LEAST ONE of them has been vaccinated?Give your answer as a decimal (to at least 3 places) or fraction
- You randomly select an integer from 0 to 7 (inclusively) and then randomly select an integer from 0 to 9 (inclusively). What is the probability of selecting a 3 both times?A two-digit number is formed from the numbers (0.1,2.3,4,5.6) without repetition. What is the probability that the number is divisible by 2?If the probability that a randomly selected 24-year-old male survives the year is 0.9985, explain how to find the probability that at least 1 male out of 1000 will die.
- On a vocabulary quiz, Elena must match a word with its definition. There are 5 words and 5 definitions. She knows the correct definition for the first word but she guesses randomly for the other 4 words. What is the probability Elena will correctly match all 5 Words with their definitions?SOLVE THIS PROBLEM. A square with a side length of 12 inches has five congruent rectangles cut out of it, each rectangle having the dimensions of 3 inches by 5 inches. Find the probability that a point selected at random within the square region will also be in the shaded area.Suppose that Alan is taking a multiple choice quiz where there are 3 choices for each question. Suppose he randomly guesses on 4 questions. What is the probability that he gets none of the 4 questions correct ?
- You pick 6 digits (0-9) at random without replacement, and write them in the order picked.What is the probability that you have written the first 6 digits of your phone number? Assume there are no repeats of digits in your phone number.Give your answer as a fraction.we have a 70% chance of winning a game and play 80 times, how many games do we expect to win? Again, the game can only be won or lost; no ties. round answet to nearest integer.Among a student group 51% use Google Chrome, 20% Internet Explorer, 10% Firefox, 5% Mozilla, and the rest use Safari. What is the probability that you need to pick 7 students to find 2 students using Google Chrome? Report answer to 3 decimals.
