Find r, if b = 0.8 and b, xy = 0.46. %3D yX

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A: Let X be the random variable from binomial distribution with probability (p)= 75% = 0.75 and sample ...

Q: CHAPTER 16 CLASSWORK 1. Find the mean for the following lists of numbers. (Round to the nearest tent...

A: Note: Please repost remaining questions as I can author only 1 question as per policy 1)Given data,A...

Q: valid

A: Here use basic of hypothesis 

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Q: A small country with a population of 8,000,000 consists of four states, A, B, C, and D. There are 20...

A: Given Total seats=200

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A: For the given data calculate the  smallest standard deviation

Q: For a normal distribution, find the z- score for which a total probability of 0.71 falls more than z...

A: Solution-: Given: Probability of 0.71  falls more than z standard deviations (in either direction) f...

Q: Draw an ogive curve from the data given below and locate the median. Profits : 10-20 20-30 30-40 40-...

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Q: Can you do just exercise D and E thank you

A: Charts are used for easy representation of the data set. Histogram is used to visualize the spread o...

Q: Your chicken farm is a small-scale, family venture, and you don’t have fancy equipment to weigh each...

A: The Empirical Rule states that: About 68 % of the population lies with one standard deviation from ...

Q: Suppose your favorite coffee machine offers 6 ounce cups of coffee. The actual amount of coffee put ...

A: Let X be the random variable from normal distribution with mean (μ) = 7 and standard deviation (σ) =...

Q: How did we get the numbers in the chart?

A: We have given that  There are 8 possible outcomes { MMM,MMH, MHM, MHH, HMM, HMH,HHM,HHH} And, we hav...

Q: Find both the x-intercept and the y-intercept of the line given by this equation. =+−9.5x8.6y7.50=0...

A:   Given problem Given that   Given equation, 9.5x+8.6y-7.5=0  

Q: [item#2part2] Instructions: (PLEASE READ!! Kindly answer items iv-v only). Write a description and a...

A: As it is mentioned to answer parts (iv and v), we will answer parts (iv) and (v) from the given data...

Q: Question 6, A measure of variability that is essentially an average of the sample variances is: betw...

A:

Q: The null and alternative hypotheses for a test are given, as well as some information about the actu...

A: Given  Ho: μ=30 vs Ha: μ≠30 , n=40, s=3.8, x̄=12

Q: Exercise 1 Directions: Write TRUE if the statement is correct; otherwise, write FALSE. 1) The null h...

A: Given that  Write TRUE if the statement is correct; otherwise, write FALSE.   1) The null hypothesis...

Q: Calculate the Karl Pearson's coefficient of skewness from owing data : Size : 1 2 3 4 5 7 Frequency ...

A: Given: Size Frequency 1 10 2 18 3 30 4 25 5 12 6 3 7 2

Q: Based on the Normal model for car speeds on an old town highway N(77, 9.1), what is the cutoff value...

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Q: Find the Quartile Deviation for the following data : 391, 384, 591, 407, 672, 522, 777, 733, 1490, 2...

A: Solution:

Q: 3. A recent survey stated that adults spend an average of 8 hours a day playing mobile games. A rand...

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Q: A random variable Y have a distribution with parameter a > 0 and yo > 0 if its density function is g...

A: Solution

Q: A candy dish contains six brown and four red M&Ms. A child selects four M&Ms without checking the co...

A: Given,no.of brown M&Ms=6no.of red M&Ms=4Total no.of M&Ms=10

Q: Suppose that X is a (A = e-100, p = 3e-100)-BCP. %3D What is P(X(1)X (2)X(3) = 4)?

A: Correct answer is 4.  

Q: A social geographer wants to know whether the mean length of unemployment differs among the resident...

A:

Q: Show that any linear combination of n independent normal variates is also a normal variate.

A:

Q: A resort plans to apportion 52 new toboggans among the four resorts based on the number of rooms in ...

A: Given :

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A: Let X be the capacity utilisation  Y be the production   

Q: Use Example B on pg 163 to solve the following problem. Find an expression to find an approximation ...

A: Please find the step by step explanation below. Thank you

Q: Explain the importance of random sampling in real life situation. How can we apply it?

A: Disclaimer : Since you have asked multiple question, we will solve the first question for you. If yo...

Q: Given: 4 = 45, a = 3. What is the raw score when: 3. z = 2.14 4. z =-0.27

A:

Q: ou have chosen three breeds of chicken for your farm after studying their egg-laying capabilities. O...

A: Given that you have chosen three breeds of chicken for your farm after studying their egg-laying cap...

Q: :If Z = ax + by and yis the correlation coefficient between Xand Y. Show that (a) o = a°o% +b²o +2ab...

A: Solution for this question is as given:

Q: According to a study, BMI among men aged 16-61 in the world follows a Normal distribution with mean ...

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Q: Suppose that X has a lognormal distribution with parameters 0 = 2 and w² = 9. Determine the followin...

A: Note:  P-value is taken from standard normal distribution table.

Q: A population consists 11, 19, 22, 2, 8, 9, and 15. Suppose samples of 2 are drawn from this populati...

A: We have given that  A population consists of 11, 19, 22, 2, 8, 9 and 15. Samples of 2 are drawn from...

Q: Researchers would like to investigate whether the time of the exam could affect students' performanc...

A: Given : Morning : Number of students = 50 Afternoon : Number of students = 70

Q: Suppose that the sample dataset of July 1 temperatures consisted of 64 observations and that these 6...

A: given data standard deviation s = 4 sample size n = 64  

Q: Suppose that A and B are two independent events for which P(A) = 0.17 and P(B) = 0.59 Find each of t...

A: For the given data Find p(A/B ) =? P(B/A) =? P( A and B ) =? P (A or B ) =?

Q: i) Derive the mean of Y. Show all necessary steps. ii) Show whether or not that the variance of Y is...

A:

Q: Steel rods are manufactured with a mean length of 30 centimeter (cm). Because of variability in the ...

A: Given Mean=30 Standard deviations=0.07

Q: 4. From the following data obtain the two regression cquations : Sales 91 97 108 121 67 124 51 73 11...

A: Let X be the sale  Y be the purchase   

Q: 6. For a left-tailed test when n = 8 and a = 0.10 the critical value is %3D %3D 1.397 b. -1.397 d. -...

A: Given that : Sample size (n) = 8 Level of significance = 0.10 By using the test and t table to calcu...

Q: Find out the regression coeticients of Y on X and X on Y from the following data: ΣΧ= 50 , X= 5, Σ Υ...

A:

Q: In a large high school, 37% of the teachers believe that five minutes is not enough time for student...

A: 37% teacher and 89% students believes that 5 minutes is not enough Now : 28 teachers and 100 student...

Q: For a certain species of snake, the mean length of an adult is 63.4 cm with a standard deviation of ...

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Q: Use the given data set to complete parts (a) through (c) below (Use a 0 05) 10 12 13 12 73 9 11 14 6...

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Q: Aresearch study uses 50 men under the age of 55. Suppose that 30% carry a marker on the male chromos...

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Q: In which aspects of your life can you associate the ideas of discrete random variables and continuou...

A: [Polling] Exit polls to predict outcome of elections [Experiments] Using sample data from surveys/st...