A player wins a game 1/18th of the time. If the game is played 841 times, answer the following question a) What is the expected value of the sampling proportion? (Round to four decimal places) b) What is the standard deviation of the sampling proportion? (Round to four
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Q: Below are the jersey numbers of 11 players randomly selected from a football team. Find the range,…
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A: Answer:44,76,89,32,79,68,46,2,20,17,40Sorted data set:2,17,20,32,40,44,46,68,76,79,89.
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A: The probability that student will guess the correct bottled water will be: p=13
population proportion,p =1/18 = 0.0556
sample size n = 841
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- The average price of a college math textbook is $172 and the standard deviation is $28. Suppose that 13 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. a. What is the distribution of a? N( b. For the group of 13, find the probability that the average price is between $171 and $183. c. Find the first quartile for the average textbook price for this sample size. S (round to the nearest cent) d. For part b), is the assumption that the distribution is normal necessary? O YesO NoThe average price of a college math textbook is $153 and the standard deviation is $29. Suppose that 8 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. a. What is the distribution of ? I - N( b. For the group of 8, find the probability that the average price is between $138 and $147. c. Find the first quartile for the average textbook price for this sample size. $ (round to the nearest cent) d. For part b), is the assumption that the distribution is normal necessary? O YesO No Hint: Some Helpful Videos:The following are the scores of the three groups in a pop quiz. Group A: 2, 3, 4, 8 Group B: 1, 2, 4, 10 Group C: 0, 1, 5, 11 What is the sample standard deviation? * 4.30 3.52 5.09 O 2.63
- Lotteries: which would you expect to be larger: the standard deviation of 5 random numbers picked from 1 to 47 in the California super lotto, or the standard deviation of 5 random numbers picked from 1 to 69 in the multistate Powerball lottery?A sampling distribution (dotplot) for the mean quiz score for a sample n = 30 of STAT101 students is shown below. It was constructed using random samples from population data. If we increased our sample size from 30 to 100, would the standard error of the sample mean be larger, smaller, or the same? Explain your answer in one or two sentences.Let's examine the mean of the numbers 1, 2, 3, 4, 5, 6, 7, and 8 by drawing samples from these values, calculating the mean of each sample, and then considering the sampling distribution of the mean. To do this, suppose you perform an experiment in which you roll an eight-sided die two times (or equivalently, roll two eight-sided dice one time) and calculate the mean of your sample. Remember that your population is the numbers 1, 2, 3, 4, 5, 6, 7, and 8. The true mean (µ) of the numbers 1, 2, 3, 4, 5, 6, 7, and 8 is , and the true standard deviation (o) is The number of possible different samples (each of size n = 2) is the number of possibilities on the first roll (8) times the number of possibilities on the second roll (also 8), or 8(8) = 64. If you collected all of these possible samples, the mean of your sampling distribution of means (µM) would equal and the standard deviation of your sampling distribution of means (that is, the standard error or ɑm) would be The following chart…
- In general, the standard error of the sampling distribution is __________the standard deviation from the related population distribution.. Group of answer choices unrelated to smaller than larger than equal toIn looking at the results of a standardized exam, 72% of those taking the test choose the correct answer on the first question. Answer the following for 400 test takers who are to be randomly chosen. After taking the sample and administering the test, 320 of the test takers answer the first question correctly. The sample proportion is ____________________. Find the mean and variance for the distribution of sample proportions from samples of size n = 400. Mean: __________________ Variance: ___________________ The probability is ____________________ for taking another random sample of size n = 400 test takers and more than 75% of them getting the correct answer on this question.Plz answer all asap
- Below are the jersey numbers of 11 players randomly selected from a football team. Find the range, variance, and standard deviation for the given sample data. What do the results tell us? 35 47 5 97 25 86 65 66 38 85 55 Range (Round to one decimal place as needed.)The sampling distribution of the mean depends on the sample size. O False O trueThe average income in a state was $64 comma 64,000 per person per year. Suppose the standard deviation is $29 comma 29,000 and the distribution is right-skewed. Suppose we take a random sample of 100 residents of the state. Complete parts (a) and (b) below. a. What value should we expect for the sample mean? Why? b. What is the standard error for the sample mean?
