A. Suppose an admissions office determines that 40% of students who are accepted actually enroll in its upcoming freshman class. If the admissions office admits 800 students, what is the probability at least 328 actually enroll? Use the normal approximation to the binomial to approximate this probability. Be sure to check the conditions necessary to perform this calculation first.

Q: D. The t-distribution has tails that asymptotic to the 6. When do we use t-distribution instead of…

A: We have given that,  When do we use t- distribution instead of normal distribution?  We have to…

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Q: For the following z scores, please tell me the percentage of scores that lie below it: a. 2.5…

A: We will use Std. Normal table to find the required percentages.

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A: Obtain the sample size of a preliminary estimate for p is 0.16 with the 85% confidence. The formula…

Q: The average credit card debt for college seniors is $3262. If the debt is normally distributed with…

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A: ( a ) cohensd =? ( b ) Magnitude

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Q: Erron got a new job in a shoe store at Robinson's Calasiao, Pangasinan. The numbers of pair o shoes…

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A: We have given that,  Monthly coffee cost($) number of students (f)  10.00-19.99…

Q: Baby weights: The weight of male babies less than 2 months old in the United States is normally…

A: Given,mean(μ)=11.4standard deviation(σ)=2.9

Q: Jamie's grade point average is (Round to two decimal places as needed.)

A: We have given that Jamie earn in Linear algebra course = C (2 points) Government course = A (4…

Q: Let X(1) 0. a) Show that X4) and X(6) – X() are independent for any s>r. b) Find the distribution of…

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Q: You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe…

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Q: In this population data : (2, 4, 6) what are the possible sample means when a sample size of 2 is…

A: As epr guideline expert have to answer first question only.

Q: 2. A banana company claims that the mean weight of their banana is 150 grams with a standard…

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Q: no handwriting please a) The University of the North America is interested in the overall…

A: Given: Sample of 150 students has been taken out

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Q: (a) Show that T = ) X; is a sufficient statistic. What is the distribution of T? i=1 (b) Find an MLE…

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Q: The probability density function of a random variable is kVx+ – 1 f(x) - if 1 s x< 2

A: Hello! As you have posted 3 different questions, we are answering the first question. In case you…

Q: You are a researcher studying the lifespan of a certain species of bacteria. A preliminary sample of…

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Q: In a company, the director of Human Resources human wishes determine statistically whether there is…

A: Given  Level of significance=0.05

Q: Let X1, X2, . .., X, be a random sample from a normal distribution with mean µ and variance o². (a)…

A: ..

Q: Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long…

A: From the given information, the mean is 75 tons and the standard deviation is 0.8 tons.

Q: 4. Ms Julia Palaç is an instructor in Statistics. She gave an examination before and after he…

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Q: Solve The Following items and show your solution. 1. The weight of goats at a farm is normally…

A: Hello! As you have posted 2 different questions, we are answering the first question. In case you…

Q: Let X(1) 0. (a) Show that Xr) and X(s) – X«) are independent for any s>r. b) Find the distribution…

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Q: Suppose that the manufacturing of a particular part requires three different machining operations.…

A: Given: μ1=10μ1=12μ1=8s1=2s2=2.5s3=1.5

Q: A marketing representative of XYZ product conducted a blind taste test. One hundred fifty regular…

A: Given-            Hypothesized Population proportion (p0) = 50% = 0.50

Q: In a test of the eflectiveness of garic for lowering cholesterol, 47 mubjecta were treated with…

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Q: I want to assess whether or not students produce more stress hormones (cortisol) after watching…

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Q: A die is weighted such that an even number is twice as likely to come out as an odd number. If the…

A: Given that A die is weighted such that an even number is twice as likely to come out as an odd…

Q: Solve

A: To determine: the value of f0.99(23,30)

Q: Please answer the following questions, Write clearly as well and please as fast as possible. I will…

A: From the given information, it is assumed that: x¯ (sample mean wash cycle in minutes)=37.2s…

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Q: 2 Mike attended a financial literacy seminar conducted by a certain financial investment firm. The…

A: A number of events are said to be independent if the probability of occurrence of any one of them is…

Q: Ho : u = 424 H1 : µ # 424 %3D x = 445.3 %3D o = 115.4 = 99 0.05 %3D Standard Normal Distribution…

A:

Q: 14. Which of the following probability distribution curves has the lowest peak? A. the standard…

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

Q: The table below shows the color and the model of cars purchased by 160 randomly selected customers…

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Q: В. 35 12.What is the sample size needed if the margin of error is 30 and th deviation of 45 with a…

A: We have given that,  Confidence interval = 98 % , standard deviation (σ) = 45 and margin of error…

Q: the p(x). can you ex

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Q: The table below shows how students performed based in their gender. Use the table to answer the…

A: Use the table to answer the following questions                     Genders   Grades Males…

Q: In a study analyzed by the Statistics Consulting Center at Virginia Tech, a group of subjects was…

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Q: Frequency distribution of amount of savings Savings $0-$199 Frequency_ 330 $200–$399 88 $400-$599 56…

A: Solution-: We have following table: Savings ($) Freq (fi) 0-199 330 200-399 88 400-599 56…

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Q: The following data represent the high-temperature distribution for a summer month in a city for some…

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Q: From the following data relating to prices of different items calculate the price indices for 1997…

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Q: In an article "Shelf-Space Strategy in Retailing," published in Proceedings: Southern Marketing…

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