Suppose in a local Kindergarten through 12th grade (K - 12) school district, 53 percent of the population favor a charter school for grades K through 5. A simple random sample of 300 is surveyed. Find the probability that at most 160 favor charter school. Enter your answer to 4 decimal places

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A: Given information:From the survey in which 510 adults were asked about the status of driving a…

Q: otel manager assumes that 13% of the hotel rooms are booked.   If the manager is correct, what is…

A: Given: Population proportion (p) = 0.13 Sample size (n) = 423 The distribution of sample proportion…

Q: Suppose 48% of the banks in Switzerland are private organizations.   If a sample of 484 banks is…

A: When the sample size is large enough we can use the normal approximation by virtue of the Central…

Q: According to a candy​ company, packages of a certain candy contain 18​% orange candies. Find the…

A: The proportion of orange candies in a certain package is : p=0.18 The sample size is given to be…

Q: In any given sampling, there is a 54% chance that a new invasive fish to be sampled along with other…

A: Probability: Probability is a chance factor that can occurs at every outcome of a random experiment.…

Q: Given that 58% of all gold dealers believe next year will be a good one to speculate in South…

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Q: A department store has determined that 36% of all their sales are credit sales. A random sample of…

A: Given: p=0.36 n=65

Q: Suppose a math class contains 36 students, 19 females (four of whom speak French) and 17 males (two…

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Q: Thirty percent of the people called agree to participate in a brief telephone survey. In a random…

A: Let X be a random variable follows Binomial Distribution then pmf of X is  P(x)=nCr px (1-p)n-x ,…

Q: Thirty percent of the students in Unix College is in favour of a ban on drinking in the dormitories.…

A: Let us assume that X= number of students who favor ban  X follows a binomial distribution with…

Q: A researcher wishes to conduct a study of the color preferences of new car buyers. Suppose that 40%…

A: Let X denote the no. of people prefer the color of brown and it follows binomial distribution with…

Q: The CEO of TikTok thinks that 75% of users are under the age of 30. A simple random sample of 100…

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Q: The opera theater manager assumes that 10% of the opera tickets for tonight's show have been sold.…

A: Let X denotes tickets being sold. Probability of a ticket being sold (p) is given to be 0.1. a…

Q: In a certain conservative precinct, 69% of the voters are registered Republicans. What…

A: Solution: Given data; P = 0.69 Sample size (n) = 100 To find: P( X >= 58) =?

Q: From a prior national study, we are able to infer that the probability of a high school student…

A: Probability of a senior from Tom River  going to college (p) = 0.6 (since all of their parents have…

Q: Assume that in a group of 12 individuals, seven prefer football and five prefer cricket. A random…

A: Given : n = individuals = 12 football = 7 cricket = 5 a) Exactly two prefer football : =C27×C15C312…

Q: The proportion of eligible voters in the next election who will vote for the incumbent is assumed to…

A: Given information- Sample size, n = 510 The proportion of eligible voters = 0.54 Now, from Binomial…

Q: A customer from Cavallaro's Fruit Stand picks a sample of 4 oranges at random from a crate…

A: Let us denote X=the number of rotten orangesWe have to find P(X≥1)=1-P(X=0)Given that there are 80…

Q: Suppose a math class contains 35 students, 19 females (four of whom speak French) and 16 males…

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Q: According to the manufacturer, M&M’s are produced and distributed in the following proportions: 13%…

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Q: At a certain university, 4% of men are over 6 feet tall and 1% of women are over 6 feet tall. The…

A: Let the sequence Ai of mutually exclusive and exhaustive event in a sample space S such that…

Q: It is determined that 62% percent of Grade 12s attend school in a particular urban school district.…

A: Given : n = 500 p = 0.62 q = 1 - p  q = 1-0.62 q = 0.38 Here n×p and n×q is greater than 5. hence we…

Q: In a certain congressional district, it is known that 20% of the registered voters classify…

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Q: Suppose 48 % of the registered voters in a country are Republican. If a sample of 597 voters is…

A: The mean of sampling distribution of proportion is obtained below: From the given information, the…

Q: Suppose that a random sample of 20 computer owners is selected and that 14 have a firewall…

A: True proportion of computer owners who have a firewall installed is 0.40 So, probability that a…

Q: Suppose in a local Kindergarten through 12th grade (K - 12) school district, 53 percent of the…

A: Given Information: 53% of the population favour a charter school for grades K through 5. Sample size…

Q: seventy-five percent of the students graduating from high school in a small will attend college. for…

A: A.   Z-score for proportion:

Q: ong adults in the U.S., 60% choose potatoes as their favorite vegetable.  In an Idaho Potato…

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Q: A university planner is interested in determining the percentage of spring semester students who…

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Q: A researcher wishes to conduct a study of the color preferences of new car buyers. Suppose that 50%…

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Q: a certain population, a group of people has a 0.23% rate of heterochromia. If a random person is…

A: Probability = number of favorable eventstotal number of events

Q: In a of the population. It is known that 20 per cent of the males and 5 per cent of the females are…

A: Given : P(Male) = 0.5 P(Female) = 0.5 U = Unemployed , E = Employed P( U | Male) = 0.2 P(U | Female)…

Q: Suppose that goats have one gene that codes for color, where A is brown and a is white. The goats…

A: Given Suppose that goats have one gene that codes for color, where A is brown and a is white. The…

Q: Suppose a large consignment of televisions contained 22% defectives. If a sample of size 480 is…

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Q: A random sample of 270 homes was taken from a large population of older homes to estimate the…

A: Given: A random sample of 270 homes was taken from a large population of older homes to estimate the…

Q: Given that 58% of all gold dealers believe next year will be a good one to speculate in South…

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Q: Airlines report that 45% of its flights are on time.  In a random sample of 80 flights, what is the…

A: A random variable X is said to follow a binomial distribution with parameters 'n' and 'p' ( where n…

Q: Suppose 58% of the registered voters in a country are Republican. If a sample of 570 voters is…

A: As given,  58% of the registered voters in a country are Republican. This implies  P = population…

Q: Of all 3- to 5-year-old children, 56% are enrolled in school. If a sample of 500 such children is…

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Q: customer from Cavallaro's Fruit Stand picks a sample of 3 oranges at random from a crate containing…

A: From the given information we want to find the probability sample contains one or more rotten…

Q: Suppose you have a shipment of 100 drills, and four of them are defective. If you randomly select…

A: Define the random variable x as the number of defective drills. Here, the number of adults chosen…

Q: Suppose 49% of the registered voters in a country are Republican.   If a sample of 701 voters is…

A: Given information: It was stated that 49% of the registered voters in a country are Republican. The…

Q: Catherine Chao, Director of Marketing Research, needs a sample of Kansas City households to…

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Q: A cafe receives an average of 4 orders of Mocha Frappe every 5 minutes. What is the probability of…

A: We have to find given probability.

Q: In a survey of 1000 social-media account holders aged 18 years and older conducted by a certain…

A: Total numbers of account holders: n=1000 Probability that they have one or two account is: p=0.61…

Q: In a company that makes sports bikes, 90% of the bikes pass final inspection and 10% fail and need…

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Q: In a large on-the-job training program, half of the participants are female and half are male. In a…

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Q: A researcher wishes to conduct a study of the color preferences of new car buyers. Suppose that…

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Q: Suppose a math class contains 41 students, 19 females (two of whom speak French) and 22 males (three…

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Q: Within the general population in the 21st century, the chances of having twins are about 3 in 100…

A: Given Information: Let A be the event of getting a couple with twin baby. Let B be the event getting…

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.