According to a 2009 Reader's Digest article, people throw away about 10% of what they buy at the grocery store. Assume this is the true proportion and you plan to randomly survey 122 grocery shoppers to investigate their behavior. What is the probability that the sample proportion does not exceed 0.14?

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: What is the probability of picking one person who is 30 years and above given that he reads non…

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Q: d) Calculate the probability that 12 patients do show up.

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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 mean

A: our objective is to define probability

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

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Q: What is the probability that the sample proportion exceeds 0.12?

A: Given According to a 2009 Reader's Digest article. First, we need to find the standard deviation for…

Q: A poll showed that 50% of Americans say they believe that life exists elsewhere in the galaxy. What…

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

A: Solution: It is given that people throw away about 14% of what they buy at the grocery store. So,…

Q: A survey at a restaurant in small western town yielded the data below: travelers : married 27,…

A: General formula of probability is ,  Probability = Number of favorable outcomesTotal outcomes

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

A: Given data, p=14% =0.14 n=144 P(p<0.2)=?

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Q: What is the probability that the sample proportion exceeds 0.12?

A: Let p be the proportion of throw away of what people buy at the grocery state. Given that p=13% =…

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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)…

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Q: In Our daily life use of probability? give some example?

A: Example 1: In the news, we hear the probability of raining today / sunny today/ cloudy today.  This…

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

A: Let X be the proportion of things throw away that people bought at the store. The population…

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

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Q: What do you notice about the probability values of random variable in each probability distribution?

A: Given problem Given that   The probability of each value of a random variable is between 0 and 1.(…

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

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Q: What is the probability that someone with some college or more makes $75,000 or more? Answer.

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

Q: Alex surveyed some students at his school, asking about their favorite sport and whether they have a…

A:

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

A: Given that,  n=93, p= 0.10 The mean and standard error of the sampling distribution of sampling…

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,…

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Q: In a standard deck of cards, what is the probability of drawing a face card? (Express your answer as…

A: Given: n(total) = 52 n(face cards) = 12 n(drawn) = 1

Q: A survey revealed that 36% of people are entertained by reading books, 30% are entertained by…

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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: Keith wrote a short fiction story about a tiny world where 47% of inhabitants have a gene that…

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.