Question /5 of 114 It is estimated that 35% of households own a riding lawnmower. A sample of 15 households is studied. What is the probability that exactly 7 of these on a riding lawnmower. Show word count

Q: 58% of people rent their homes. If you take a random sample of 50 people, what is the probability…

A: We have given that Sample size n =50 Population proportion p=58%=0.58

Q: At an inspection line, several motors are inspected. It is known that defects between motors are not…

A: Solution-: Given : λ=5 We find, (a) P[the first defective motor is the fifth motor that you…

Q: About 47% of Salinas residents bank entirely online.  A random sample of 62 residents is selected.…

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Q: Northside Middle school has 480 sixth-grade students; 55% are girls and 45% are boys. The school…

A: Define event G as the student is a girl. Define event B as the student is a boy. Define event O as…

Q: A bag contains 44U.S. quarters and six Canadian quarters. (The coins are identical in size.) If six…

A: Given,  bag contains 44 U.S. quarters and 6 Canadian quarters We have to pick 6 quarters randomly

Q: Consider a fair What is the probability of a six given that you already observed a six in the roll…

A: The probability of obtaining a six on a fair die is 1/6  as obtaining any number of a die is equally…

Q: Select one card from a deck of well-shuffled cards. What is the probability we select a Diamond or a…

A: Deck consists of 52 cards. n(S)=52 Let D be event that card is diamond. n(D)=13 Let H be event that…

Q: A bag contains 43 U.S. quarters and seven Canadian quarters. (The coins are identical in size.) If…

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Q: Emerson wins 28% of all chess games. What is the probability he wins two in a row?

A: Assuming the two games are independent, P( He wins two in a row)= P( He wins the first game)*P(He…

Q: You donate 8 baseballs to a local baseball team. Your uncle donates 12 baseballs. If a total of 50…

A: Total number pf baseballs donated is 50. Let A donate 8 baseballs and B donate 12 baseballs The…

Q: A bag contains 46 U.S. quarters and four Canadian quarters. (The coins are identical in size.) If…

A: Solution: From the given information, a bag contains 46 U.S. quarters and 4 Canadian quarters. Here,…

Q: A student takes a 20 question, multiple choice exam with five choices for each question and guesses…

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Q: The number of A's on the last quiz was 7 out of 20. If I randomly choose a quiz paper... a. What is…

A: For geometric distribution, there are four requirements need to be fulfilled. These requirements are…

Q: A bag contains 45 U.S. quarters and five Canadian quarters. (The coins are identical in size.) If…

A: Given, No of U.S quarters= 45 No of Canadian quarters= 5 Total quarters= 50 If 5 quarters are drawn…

Q: In a certain​ lottery, you must correctly select 6 numbers​ (in any​ order) out of 25 to win. You…

A: It is given that there are 25 numbers and of them 6 numbers is selected in any order.

Q: An experiment consists of drawing 1 card from a standard 52-card deck. What is the probability of…

A: In deck, there are 52 cards, in which 5 number cards are 4 We want to find the probability of…

Q: About 35% of Americans will admit that they waste time regularly at work. A poll of 100 Americans is…

A: Given,

Q: Using Jack's simulation, what is the probability of rolling a 6 on the number cube and the coin…

A: Among the 100 rolls,he rolls 6, 27 times So the probability of getting 6 is = 27/100    Among the…

Q: 8 people are taking a driving test. If the probability of passing the test is 0.75. What is the…

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Q: Two six sided dice are rolled at once. What is the probability of rolling a sum of 9

A: Note that the favorable cases to get a sum of 9 are 3,6,6,3,4,5,5,4. Consider the following events,…

Q: An experiment consists of drawing 1 card from a standard 52 card deck. What is the probability of…

A: We have to find the probability of choosing a card from a Deck of 52 cards

Q: High blood pressure- Twenty percent of Americans ages 25 to 74 have high blood pressure. If 16…

A: b. Binomial distribution:Since there are only two outcomes (having blood pressure and not having…

Q: A computer salesman averages 1.3 sales per week. Find the probability that in a randomly selected…

A: It is given that the A computer salesman averages 1.3 sales per week. So, if we denote the number of…

Q: A couple decided to have 5 children. (a) What is the probability that they will have at least one…

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Q: find the probability winning the grand prize? What is the probability of winning if the player buys…

A: Here given,    In Michigan State lottery a player wins the grand prize by correctly picking 6…

Q: The Edmonton Oilers win 70% of their games if they score first, but only 40% of their games if the…

A:

Q: On a midterm exam there are 6 topics to study. The professor selects 4 at random to include on the…

A: Given information: The total number of topics to study on a midterm exam is, N = 6 The professor…

Q: An experiment consists of drawing 1 card from a standard 52-card deck. What is the probability of…

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Q: 3. On an average, there are 2 visits to a supershop per minute. What is the probability that the…

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Q: The scientist claims that 8% of viruses are airborne if the scientist is accurate what is the…

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Q: ie is rolled. What is the probability of getting;  an even number or a 3?  an odd number of a 4? an…

A: To find the probability of getting:  an even number or a 3  an odd number or a 4  an even number or…

Q: A box contains 75 red marbles, 37 white marbles, and 19 blue marbles if the marble is randomly…

A: Number of red marbles = 75 Number of white marbles = 37 Number of blue marbles = 19 Total number of…

Q: cotton and 30% are nylon. Calculate the probability that a randomly selected roll used by the…

A: Problem #5 Let F denote the event that a roll contains a flaw. C denote the event that a roll…

Q: A bag contains 45 U.S. quarters and five Canadian quarters. (The coins are identical in size.) If…

A:

Q: A bag contains 46 U.S. quarters and four Canadian quarters. (The coins are identical in size.) If…

A: Given that the bag contains 46 U.S. quarters and 4 Canadian quarters. Total (46+4)=50 coins in the…

Q: A family with 5 children is selected at random. What is the probability that the family has at least…

A:

Q: Two dice are rolled what is the probability that sum on the faces of two dice is 10.

A: We have given that,  Two  dice are rolled is then the sample space (S),  S = { (1,1), (1,2),…

Q: fair 2-sided coin is tossed 3 times. What is the probability that the coin lands on heads at most…

A: Given that : fair 2-sided coin is tossed 3 times Total outcomes (N) = 23  = 8  X = number of heads…

Q: an ace from a well shuffled deck of 52 What is the probability of drawing playing cards ?

A: Answer: For the given data

Q: A treasure chest contains 3 rubies, 4 diamonds, and 2 emeralds. Two jems are drawn out of the chest…

A: Given,no.of rubies=3no.of diamonds=4no.of emeralds=2Total no.of jems=9

Q: Example 8: A nationwide survey found that 72% of people in the United States like pizza. If 3 people…

A: Proportion of  pizza liked by US people= 72% This Implies that probability of pizza liked by US…

Q: What does it mean if the probability of an event happening is 1? Give an example of an event that…

A: Probability of an event is measured by the ratio of favourable number of occurance to total number…

Q: Mario draws two cards, one from each of two shuffled decks. Each deck has 12 cards labeled 1-12.…

A: We' have to find given probability..

Q: If the probability that the Islanders will beat the Rangers in a game is 5/6, what is the…

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Q: During a single day at radio station WMZH, the probability that a particular song is played is 1/6.…

A:

Q: Researchers asked 600 people if they thought that there was too much violence on TV and recorded…

A: Given : Researchers asked 600 people if they thought that there was too much violence on TV and…

Q: plades. If five of the blades in an assembly are dull, what is the probability that the assembly is…

A: Let , X has geometric distribution with parameter N=50 , M=5 , n=5 The probability mass function of…

Q: Approximately 70% of statistics students do their homework in time for it to be collected and…

A: Given that :  Proportion statistics students do their homework in time (p) = 70% Sample size = 50…

Q: You are pulling from a bag containing 2 blue marbles, 3 black marbles, 2 green marbles, and 1 yellow…

A: Total number of marbles=2+3+2+1=8 Number of blue marbles=2 Required probability =(Number of possible…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.