Determine whether the table represents a discrete probablity distribution. Explain why or why not. P(4) 60 0.1 70 0.1 80 0.1 90 0.1 100 0.1

Q: Find the margin of error for the given values of​ c, s, and n.   c=0.98​, s=6​, n=13   LOADING...…

A: c=0.98​, s=6​, n=13

Q: fa binomial distribution applies with a sample size of n=20, find the values below. The probability…

A: a) probability=0.0365 b) probability=0.3920 c) Expected value=3 d) Standard deviation=1.5969

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A: (a) Here, the distribution is right skewed. Hence, it is not possible to use normal distribution.…

Q: Find the mean, variance, and standard deviation of the binomial distribution with n = 84 and p =…

A: Given that n = 84 p = 0.65

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A: Given ,Mean μ=100Standard deviation σ=10

Q: The arithmetic average of a distribution is the

A: Arithmetic average: The arithmetic average of a distribution is the ratio of sum of observations to…

Q: Which statement accurately describes the proportions in the tails of a normal distribution?   Group…

A: The objective is to find out which option is correct from the given options for the proportions in…

Q: which of the following best describes the distribution of data? negatively skewed postively skewed…

A: Since you have asked question related to the distribution of the data, we will solve that for you.…

Q: Jed raises chickens.  He says that the average chicken weight is 5.5 lbs.  Test his claim.  A simple…

A:

Q: (a) What type of shape did you assume for the sampling distribution for sample mean and on what…

A: Here AS PER POLICY I HAVE CALCULATED 3 SUBPART PLZ REPOST FOR REMAINING

Q: The average wait time to get seated at a popular restaurant in the city on a Friday night is 14…

A:

Q: Find the probability for a normal

A: Requirement of the problem: P-1.20=Pz≤-1.20. Consider, Pz≤-1.20=0.1151, from the standard normal…

Q: The number of defects per batch of DVD's inspected: Defects 1 2 3 4 Batches 105 98 115 64 13 8.

A: There are many ways of presentation of frequency distribution in the form of graphs. one of the…

Q: find variance of data sample size n = 8   52,56,57,50,59,60,61,59

A:

Q: Determine whether the statement is true or false. If it is false, rewrite it as a true statement. A…

A: Definition of Sampling distribution: If X have any distribution and sample size is sufficiently…

Q: A. Determine whether the distribution represents a probability distribution. Explain your answer. 7.…

A: As per our guidelines we are suppose to answer only one questionA) Properties of probability…

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A: From the given information,The required statistics can be calculated as;

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A:

Q: a) Find the number of customers in this sample who had waist sizes from 30-36 inches. b) Is this…

A:

Q: Academic advising: In 2014, the Community College Survey of Student Engagement reported that 32% of…

A: Given, Sample size, n=200,  42% of community college students rarely or never use academic advising…

Q: A survey asks questions about one's happiness and health. One would think that health plays a role n…

A:

Q: 45 40 35 30 25 20 15 10 5 0-19 20-39 40-59 60-79 80-99 100-119 The distribution shown in the…

A: Skewness : Lack of symmetry of tails ( about mean ) of a frequency distribution curve is known as…

Q: Which statements are correct about the median? Select all that apply. In a symmetric distribution,…

A: Definition of median: Median is the most centre value of the data. Half of the data from datasheet…

Q: Returns Probability distribution IBM Dell 0% -10% 10% 10% 10% 50% 20% 30% 40%

A: We have to find the covariance

Q: USE A CALCULATOR  In the 1992 presidential election, Alaska’s 40 election districts averaged 1,956.8…

A: Hey, since there are multiple subpart questions posted, we will answer first three subpart…

Q: Which statement accurately describes the proportions in the tails of a normal distribution?     a.…

A: Normal distribution has a bell shaped curve, where proportions in both the left-hand and right-hand…

Q: 2. Find the mean, standard deviation and variance (to the nearest hundredth) of the probability…

A: Consider X be a random variable which represent the number of games played with the corresponding…

Q: Cans of soda vary slightly in weight. Given below are the measured weights of nine​ cans, in pounds.…

A: An outlier in a set of values is a value that falls away from the rest of the values. It can be seen…

Q: The accompanying data represent the total travel tax​ (in dollars) for a​ 3-day business trip in 88…

A: a.The point estimate of the population mean is the sample mean.The sample mean (point estimate of…

Q: Use the Age, Frequency table. List lower class limits, upper class limits, class midpoints,…

A: Given Total number of frequency=32 Class width=10

Q: Which of the following describes a sampling distribution?  a) distribution of individual responses…

A: sampling distribution is the probability distribution of a sample statistic.

Q: 37. What is the other term for t-distribution? A. Percentile distribution C. Sampling distribution…

A: We have given that the statements related to the t-distribution. Here, need to find the correct…

Q: C. EVALUATING: 25-27. Which among the statements presented above represent a t-distribution? Explain…

A: The t-distribution describes the standardized distances of sample means to the population mean when…

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A: Given, P value = 0.007 Degree of freedom = 34 Let distribution be dist. Let observations be obs.

Q: Insurance componies track life expertancy info to assist in determining the cost of life insurance…

A: 1) Given that, last year life expectancy of policy holders was 77 years. To test, H0: µ = 77 years.…

Q: What graphs can help us identify a normal distribution? a. Dotplot b. Histogram c. Boxplot d.…

A: From the above data  What graphs can help us identify a normal distribution Histogram Normal…

Q: college football coach was interested in whether the college's strength development class increased…

A: single population mean is being tested in this situation And distribution used here is t-test (…

Q: Students in a statistics course take their first exam and the class gets μ = 78.29 and σ = 4.63.…

A: The mean is 78.29 and the standard deviation is 4.63.

Q: Delta limited the Chief Administrative Manager analyzed the number of incoming faxes. After an…

A:

Q: Billy’s Bakery bakes fresh bagels each morning. The daily demand for bagels is a random variable…

A: Given: The distribution estimated from prior experience given by The decision Variable Q is the…

Q: What is the SAMPLE standard deviation?  a. 3.12 b. 3.00 c. 2.12 d. 2.92

A:

Q: A survey asks questions about one's happiness and health. One would think that health plays a role…

A: Answer: Given table of level of happiness:

Q: The 75th percentile of a distribution, also known as the third quartile, is a value or an…

A: We have Given that  The 75th percentile of a distribution

Q: Which statements are correct about the median? Select all that apply. In a symmetric distribution,…

A: Median is the middle number of a sorted list of numbers.

Q: Resources Giye Up? The number of flaws per square yard in a type of carpet material varies with mean…

A: This population distribution cannot be normal, because a count takes only whole-number values.

Q: Calculate the mean and median for the data representing the number of hours a random person spends…

A: As per our guidelines we can answer only one question at a time. Kindly re-post the next question in…

Q: Find the value of p from the table above.  ii. Calculate the probability that at X is at least 5.…

A: We have given that  Probability distribution.  Sum of probability equal to 1. Mean = E(x) = ∑x.p(x)