A local community college reported that the average SAT score of its students is 960 with a standard deviation of 82. If a student scored 975 on the SAT, what is the student's z score? Did the student do better or worse on the SAT compared to the average student in the college?

Q: results of a survey of visitors at the Eiffel Tower showed that 25 spoke English, 15 spoke French,…

A: Given that  English spoke = 25  French spoke = 15 Both English and French spoke = 8

Q: Let S be the universal set, where: S = {1, 2, 3, ..., 18, 19, 20} Let sets A and B be subsets of S,…

A: Answer:- Given, S be a universal set                 S = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,…

Q: An effect size of .63 would be considered _____ and _______?   Question 2 options:   not…

A: Given information: Effect size = 0.63 Definition of effect size : Effect size measures the…

Q: error. If the official has initial estima

A: 70% of the people in Limpopo support the economic strategies; p=0.70 The margin of error is 3% with…

Q: Molarity Signal 0 0 0.1 12.36 0.2 24.83 0.3 35.91 0.4 48.79 0.5 60.42 A. Probability Output B.…

A: Regression analysis of quantitative data in Excel will give you a summary of output to analyse the…

Q: Suppose Xhas the probability distribution given in the table. Given that X)-2.8, find a and b. 2 X…

A: Probability distribution table of X is; x 1 2 3 4 P(X=x) 0.2 a 0.3 b

Q: Q3) b) In how many distinguishable ways can letters of the word "TENNESSEE" be ?arranged

A: Given letter is TENNESSEE Total number of letters = 9 e has occurred 4 times n has occurred 2 times…

Q: Find the 14th percentile, P14,  from the following data 1100 1200 1300 1500 1900 2100 2200 2300…

A:

Q: b) Let X to be a random sample from a distribution with a probability density function given by f(x;…

A: Given that We have to find a.. level of significance b...power of test

Q: Find the percentile for the data point Data set: 124 136 128 122 130 132 122 120 127 124 128 138 120…

A: Ans#- Data set: 124, 136, 128, 122, 130, 132, 122, 120, 127, 124, 128, 138, 120, 124, 126, 121;…

Q: In a survey of 81 pet owners, 26 said they own a dog, and 37 said they own a cat. 13 said they own…

A:

Q: Given a Standard Normal Distribution find the value k such that: P(‐0.94 < Z < k) = 0.7363

A: Given that  P(‐0.94 &lt; Z &lt; k) = 0.7363   We know that Half area under the curve = 0.50…

Q: What is the value of r2? Use the square root and your knowledge about the slope of the regression…

A: Note: According to Bartleby guidelines expert solve only one question and maximum 3 subpart of the…

Q: The number of calls to a consumer hotline has a Poisson distribution with an average of 5 calls…

A:

Q: The Scholastic Aptitude Test (SAT) contains three areas: critical reading, mathematics, and writing.…

A: Please find the explanation below. Thank you.  Here Null hypothesis is…

Q: Before 2 4 Aft 4 10

A: The given data is Individual Before After 1 2 4 2 4 10 3 7 9 4 6 7 5 3 5

Q: ?arranged 12051 O 10215 O 15120 O none of all above O

A: How many ways to arrange TENNESSEE

Q: he highway mileage (mpg) for a sample of 8 different models of a car company can be found below.…

A: Ans#- The highway mileage (mpg) for a sample of 8 different models of a car company can be found…

Q: The ages (in years) for a simple random sample of students from a large college are as follows: 20,…

A: Introduction: The ages of a simple random sample of n = 8 students from a large college are given.

Q: alculate the 40th percentile of the data shown, 1.1,5.5,9,14.3,20.6,24.3,25.6,27.1,27.6,28.7

A: Answer:- Given data,               1.1,5.5,9,14.3,20.6,24.3,25.6,27.1,27.6,28.7               Find…

Q: The given data set is: 10 19 5 5 Find the median. 16 7 19 22

A: Ans#- The given data set   10 19 5 5 16 7 19 22 Find the median.

Q: bet because it has a larger expected value. B. Neither bet is better because both games have the…

A: Two games  1 Casino 2 State lottery Expected value     Expected value 1 Casino -3.5…

Q: c) A research conducted by SSTA022 Class representative at the University of Limpopo indicates that…

A: Solution

Q: Exercise 4.2. The weights of bags of red gravel may be modeled by a normal distribution with a mean…

A:

Q: The following tables presen and for the 2017-2018 seas turned on during the progra 2007-2008 21.7…

A: Hi! Thank you for the question, As per the honour code, we are allowed to answer three sub-parts at…

Q: 1) Find the regression equation and r value   Drop Height, y (m) Square of Mean  Fall time, t^2…

A: Regression line are used to predict the future value. It explain the changes happen to dependent…

Q: Exercise 1.2. Let X be normally distributed random variable with the following mean and standard…

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Q: mer's disease? at is the probability that at lea Alahaim dinoong

A: Probability deals with the likelihood that a random event will occur. There are four law of…

Q: n a the normally distributed variable X with mean = 15 and standard deviation = 2.5, find: The…

A: X is randomly distributed with a mean of 15 and a standard deviation of 2.5; μ=15σ=2.5

Q: The graph of a normal curve is given. Use the graph to identify the value of μ and σ. The value of…

A:

Q: elsewhere Find the conditional distribution of the likelihood function given the function of the…

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Q: Variable Label N X y Mean Std Dev Minimum Maximum 'speed' 19 39.7368421 15.7650884 15.0000000…

A: Given information: Summary statistics of the data are given. Sample size…

Q: The given data set is: 10 19 5 5 Find the median. 16 7 19 22

A: Given data 10,19,5,5,16,7,19,22

Q: Jerome averages 16 points a game with a standard deviation of four points. Suppose Jerome scores 10…

A: Given that: Population mean, μ=16 Population standard deviation, σ=4

Q: Using deductive reasoning and the regions of a Venn Diagram, determine whether the following…

A: Venn Diagram :  Venn diagram is a type of diagram style that display the relation between the sets.…

Q: 44 68 71 80 48 64 78 60 81 35 49 53 69 89 65 45 84 57 70 95 37 Q6) for the following data 71 86 45…

A: Data given…

Q: Variable Label N X y Mean Std Dev Minimum Maximum 15.7650884 15.0000000 65.0000000 'distance' 19…

A: We need to compute the value of correlation coefficient r.

Q: If a gambler rolls three dice and gets a sum of 10, the gambler wins $20, and if the  gambler gets a…

A:

Q: Listed below are the top 10 annual salaries (in millions of dollars) of TV personalities. Find the…

A: Given that, 38, 36, 35,28,20,19,17,16,15.6,14.2 We will find range, variance and standard deviation.…

Q: Suppose 20% of the students on campus smoke. You select two students at random. In what percentage…

A:

Q: If  5% of the bolts made by an automotive factory are defective, what is the probability that in a…

A: 5% of the bolts made by an automotive factory are defective. So, the probability that a bolt is made…

Q: Osteoporosis is a condition in which the bones become brittle due to loss of minerals. To diagnose…

A: The normal distribution's standardized form has a mean of 0 and a standard deviation of 1. It is…

Q: Z= Z= (P₁-P₂) - (P₁-P₂) p•q n₂ p•q n₁ + (Round to two decimal places as needed.)

A:

Q: Find the median of the following data 8,11,7,9,14,16,3,13,17,21,15

A: Answer: Given data is, 8,11,7,9,14,16,3,13,17,21,15 Sample size (n) = 11 Data in ascending order is…

Q: Suppose that a South African Broadcasting Corporation (SABC) official wants to conduct a survey in…

A: Given information: Confidence level is 95%. Margin of error is 3%. The proportion of the people in…

Q: b) Let X to be a random sample from a distribution with a probability density function given by f(x;…

A: Given that We have to find a.. Level of significance b..power of test

Q: Determine B X A

A: It is given that  U = { 1,4,5,7,9} A = { 1,4,7} B = {3,5}

Q: Which measure of central tendency and variability should be reported when an unusual data value is…

A: Introduction: It is required to identify the suitable measures of central tendency and variability…

Q: Probability Scores 0.1 0.35 0.2 0.2 0.15 0 3 5 14 Find the expected value of the above random…

A:

Q: THE MARKETING MANAGER OF A LARGE MULTINATIONAL CORPORATION IS CONCERNED THAT SOME SALESPERSONS…

A: The following information has been provided: n=20x¯=37.2s=7.8 The level of significance is α=0.05.…