According to a 2009 Reader's Digest article, people throw away about 14% of what they buy at the grocery store. Assume this is the true proportion and you plan to randomly survey 144 grocery shoppers to investigate their behavior. What is the probability that the sample proportion does not exceed 0.2? Answer (Enter rour

Q: According to a 2009 Reader's Digest article, people throw away about 8% of what they buy at the…

A: From the provided information, People throw away about 8% of what they buy at the grocery store that…

Q: According to a 2009 Reader's Digest article, people throw away about 13% of what they buy at the…

A:

Q: According to a 2009 Reader's Digest article, people throw away approximately 20% of what they buy at…

A: Given data Probability of throwing away (p) = 0.2 No of grocery shoppers(n) = 100 Probability that…

Q: Source: www.poll 25. Survey on Bathing Pets A survey found that 25% of pet owners had their pets…

A: 25.The random variable X, ‘number of people have their pets bathed professionally’ follows binomial…

Q: About 13% of the population is left-handed. If two people are randomly selected, What is the…

A:

Q: Twenty-three preschoolers were asked what their favorite snacks are. The results are shown in the…

A: Total number of preescholars = 23 We have to derive the probability distribution for the given data.

Q: A bowl of candy contains 22 toffees, 26 mints, 41 jujubes, and 58 jellybeans. Richard picks a candy…

A:

Q: A nurse has found that persons calling a medical advice line who think they have the flu, only…

A: Solution: Let X be the number of callers actually have the flu and n be the sample number of…

Q: According to the chart below What is the probability that a randomly selected household will have…

A:

Q: ACcording to a 2009 Reader's Digest article, people throw away about 12% of what they buy at the…

A: Defines that p is true proportion of the number of people, who throw away what they buy at the…

Q: What is the probability of grade 10 students joining basketball? *

A: Here use given venn diagram  Basketball = B Volleyball = A

Q: probability that a randomly selected household will have at most 4 members?

A: Given that  The 2010 U.S census found the chance of a household being a certain size. Size(X) 1 2…

Q: According to a 2009 Reader's Digest article, people throw away approximately 20% of what they buy at…

A: Defines that p is true proportion of that people throw away what they buy at the grocery store.

Q: Suppose that 44% of people have dogs. If two people are randomly chosen, what is the probability…

A: It is given that, 44% of people have dogs. It means, probability that a people have dogs= p = 0.44…

Q: nat, sample OI TOU SUudents, adt es this result contradict the poll? Explain. probability that at…

A: The mean of the Binomial distribution is,  np The standard deviation of the Binomial distribution…

Q: According to a 2009 Reader's Digest article, people throw away about 7% of what they buy at the…

A: Population proportion (p) = 7% = 0.07 Sample size (n)= 188 Then,  We will find the  Pr( p̂ ≤ 0.13 or…

Q: Write a simplified report about the importance of studying probability in you real life?

A: Athletes and coaches use probability to find the best sports strategies for game and compition.…

Q: A teen magazine surveyed 9th grade students about their favorite sport. The table shows the data for…

A: Given data: The total numbers of students are n=405. The numbers of male students are m=200. The…

Q: What is the probability that a student selected randomly either preferred Obama or is an…

A:

Q: If the probability that the Islanders will beat the Rangers in a game is 81%, what is the…

A: Given : If the prob. that the Islanders will beat the Ranges in a game is 81% Sample size (n) =5

Q: According to a 2009 Reader's Digest article, people throw away about 12% of what they buy at the…

A: Given that, n=155,p=0.12 The Mean and Standard error of the sampling distribution of sampling…

Q: Nancy wrote a short fiction story about a tiny world where 46% of inhabitants have a gene that…

A:

Q: Given that the number was greater than 89, what is the probability that the number had a 9? (1-100)

A: the number is greater than 89 therefore the possible numbers are 90,91,92,93,94,95,96,97,98,99,100…

Q: When drawing a single card from the deck, what is the probability of getting a face card or a…

A: A deck contains 52 cards in total, and it contains following: 1.   Twelve Face cards (Jack, Queen,…

Q: According to a 2009 Reader's Digest article, people throw away about 13% of what they buy at the…

A: We have given that  Sample size n= 153 , p=13%=0.13

Q: A medication states that the odds of having an allergic reaction are 2 in 200. What is that…

A: A medication states that the odds of having an allergic reaction are 2 in 200.

Q: According to a survey, 10% of Americans are afraid to fly. Suppose 1100 Americans are sampled. a)…

A: (a) Obtain the probability that 121 or more Americans in the survey are afraid to fly. The…

Q: If an average of 18 customers are served per hour, what is the probability that the next customer…

A: See the handwritten solution

Q: According to a 2009 Reader's Digest article, people throw away approximately 10% of what they buy at…

A: Given Information: According to a 2009 Reader's Digest article, people throw away approximately 10%…

Q: The probability distribution that leads to good business decisions is

A: A probability distribution is a statistical function that describes all the possible values and…

Q: Geographers want to determine the probability that exactly 7 out of 10 tourists in New York they…

A: There are two possibilities of event 1. Either they will visit the statue. 2. Or they will not visit…

Q: According to a 2009 Reader's Digest article, people throw away approximately 11% of what they buy at…

A: Solution: From the given information, p=0.11 and n=141.

Q: What is the probability that the chosen student has taken a public speaking class or is majoring in…

A: Define some events A: a student has taken a public speaking class. B:a student is majoring in…

Q: According to a 2009 Reader's Digest article, people throw away approximately 18% of what they buy at…

A: Consider that p is proportion of items thrown buy the people what they buy at the grocery store.

Q: According to a 2009 Reader's Digest article, people throw away about 14% of what they buy at the…

A: Given: Sample size (n) = 135 Population proportion (p) = 0.14

Q: 10. According to CNN, The unemployment rate fell to 3.7% in September 2018, the lowest level since…

A: 10. The random variable X is defined as the number of unemployed people which follows binomial…

Q: Find the probability that the average amount paid by the sample of households exceeds $50.

A: Given that  X~N(μ= 48 , σ= 20) μ= 48  , σ= 20

Q: According to a 2009 Reader's Digest article, people throw away about 10% of what they buy at the…

A:

Q: a) What percentage of the sardines is shorter than 4 inches? b) The middle 70% of the distribution…

A:

Q: What is the probability that the mean weight of the oranges in the sample lies between 118g and…

A:

Q: Based on the CEO’s perception, a company estimates that a new product will be purchased by 32% of…

A:

Q: A survey revealed that 40% of people are entertained by reading books, 34% are entertained by…

A: Let us denote B=entertained by reading booksT=entertained by watching TVGiven that P(B)=40%=0.40,…

Q: A healthcare agency reported that 51% of people who had coronary bypass surgery in 2008 were over…

A:

Q: What is the THEORETICAL probability that a sum GREATER than 9 will be rolled? you may enter your…

A: The tally and frequency table for sum of the roll is shown above in the question.

Q: When drawing a single card from the deck what is the probability of getting a face card or a…

A: Given, Draw a single card from deck. Total 52 cards in a deck. Total 12 face cards in a deck. Total…

Q: According to a 2009 Reader's Digest article, people throw away approximately 20% of what they buy at…

A: Given: p = population proportion = 0.20 n = 100

Q: A researcher believes that 8 % of pet dogs in Europe are Labradors. If the researcher is right, what…

A: Let,     n denote the sample size     P denote the population proportion     P0 denote some…

Q: (a) What is the probability that a sampled woman has four children? Round your answer to four…

A: Given data is  No.of children No.of women 0 12598 1 7467 2 11269 3 7038 4 3782 5 1820…

Q: What is the shape of most probability distribution? Why do you think so?

A: Probability distribution is a mathematical function, and it describes that the random variable (x)…

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.