USA Today reported that about 20% of all people in the United States are illiterate. Suppose you take eleven people at random off a city street.   (a) Find the mean and standard deviation of this probability distribution. (Round your answers to two decimal places.) ? = ___people ? = ___ people Find the expected number of people in this sample who are illiterate. (Round your answer to two decimal places.) __people (b) How many people would you need to interview to be 94% sure that at least seven of these people can read and write (are not illiterate)? (Enter the smallest number of people needed to be at least 94% sure.) __people

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A: p = 0.72n = 1003

Q: Can you please help me interpret this data?

A: Measure of the central tendency are used to measure the average of the observation. Some of the…

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A: Given μ= 63.9 Sample size=n=70 σ=2.87

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A: Given data,μ=100σ=10

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A:

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A: Note: Please repost remaining subparts as i can author only 3 subparts as per my policy Given…

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A: Let p be the probability that a teen use YouTube. Given that p=85%= 0.85 Let X represents the number…

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A: From the provided information, Sample size (n) = 5 Proportion (p) = 0.81

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A: Solution: It is given that, Population mean, 70 Standard deviation, 5 Given that Cody took his first…

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A: Empirical probability or experimental probability is determined how often an event has been observed…

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A: Given P=0.01 n=200

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A:

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A: Obtain the value of the mean of the random variable X. The value of the mean of the random variable…

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A: Given ,n=6p=0.78A random variable X~Binomial(n=6, p=0.78)

Q: %78 of U.S. adults think that political correctness is a problem in America today. You randomly…

A: Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: How do I get the probability with x bar?

A: Central Limit Theorem for mean: If a random sample of size n is taken from a population having mean…

Q: A fair coin is flipped 4 times.  The probability for the number of heads (x) is given in the table…

A: List of formulae :  Mean :  μ= ∑xP(x) Standard deviation :  σ = ∑(x-μ)2P(x)

Q: The cafeteria records that 67% of students buy pizza with a standard deviation of .03 If you took a…

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A: Given data, n=8 p=0.3

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A:

Q: Five males with a particular genetic disorder have one child each. The random variable x is the…

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A:

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A: The Linear regression model is given as Y=43-10X The predicted value when X=-7 is…

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A:

Q: Solve the problem. Assume that mountain lions' weights are normally distributed with a mean of 62.6…

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A: To find the mean, variance, and standard deviation of a binomial distribution, we use the…

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A:

Q: Ask Your Teacher   A large tank of fish from a hatchery is being delivered to a lake. The…

A:

Q: Determine the probability P(14 or more) for a binomial experiment with n= 15 trials and the success…

A:

Q: A professor knows that her statistics students' final exam scores have a mean of 79 and a standard…

A:

Q: ve males with an X-linked genetic disorder have one child each. The andom variable x is the number…

A: A distribution is said to be distribution if sum of all probabilities is 1.

Q: ers spend? the probability that a customer will spend at least $21 per month? pund to four decimal…

A: The formula for z score is,  The probabilities is computed using standard normal table.

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A: The theory of probability has its origin in the seventeenth century.The king of France who…

Q: Eighty-three percent of adults in a certain country believe that life on other planets is plausible.…

A: The value of mean is 4.15, which is obtained as follows:

Q: When will I see the credit?  In a random sample of 170 customers, 90 ordered chicken sandwitches…

A: The probability that at least 150 favor a charter school is obtained below: From the given…

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.