1/For the below frequency distribution table calculate all the below reequipments. Class Frequency 2-4 6-8 10-12 14-16 7 8 5 3 1. Medium -- 2. Mode -- 3. The Mean Deviation 4. Variance 5. Standard Deviation 6. Standardized Score

Q: A saleswoman works for a base salary of $360 a month plus 7% commission on all the merchandise she…

A: Given base salary = 360 7% commission beyond 6000 Total sale= 8700 Total salary =?

Q: Find the z score value for a data value of 15. Z-score = ? (Round to 2 decimal places)

A: It is given that the random variable is normally distributed with  Mean, μ = 12 Standard deviation,…

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Q: Determine whether the value is a discrete random variable, continuous random variable, or not a…

A: here AS PER GUIDELINES I HAVE CALCULATED 3 SUBPARTS  here we will use definition of random ,…

Q: The probability a machine has a lifespan of more than 5 years is 0.8. Ten machines are chosen at…

A: Let p be the probability that machine has a lifespan of more than 5 years. Given that p = 0.8 Let X…

Q: When Ibuprofen is given for fever to children 6 months of age up to 2 years, the usual dose is 5…

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Q: The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget…

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Q: For the past 10 years, you have been observing the sales of your company since you embarked on an…

A: Given data for 10 years is:

Q: Find median and mode of the messages received on 9 consecutive days 15, 11, 9, 5, 18, 4, 15, 13, 17.…

A: Given: 15,11,9,5,18,4,15,13,17

Q: Hello please help me with the statistics problem as I am very confused. I have attached the file…

A: Introduction: It is required to present the data in the suggested format, and obtain the relative…

Q: Suppose the total weight of passengers on a particular flight has a mean of 1499 with standard…

A: Let X be the random variable from normal distribution with mean (μ) = 1499, standard deviation (σ) =…

Q: 6.7 Suppose that Z has a standard normal distribution. a Find the density function of U = Z². b Does…

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Q: The salaries of a company's employees are normally distributed with mean 15000 and standard…

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Q: An automobile manufacturer claims that their van has a 50.5 miles/gallon (MPG) rating. An…

A: In given question,We know that ,for population : an automobile manufacturer claims that their van…

Q: he lifespan (L) of each of 2000 valves is measured and given Calculate the probability that the…

A: given data  n = 2000 valves  lifespan no. of valves L≥1000 119 800≤L<1000 520…

Q: Example 5. Calculate Combined Mean and S.D. Series A 200 25 3 ZIX N S.D. Series B 250 10 4 Series C…

A: Given information: NA=200NB=250NC=300σA=3σB=4σC=5XA=25XB=10XC=15

Q: In how many ways can we select 6 people out of 12, of which a particular person is not included? O…

A: Given Number of people is given=12  6 people want to be selected out of 12

Q: In a normal deck of cards, what is the probability of drawing at random (assume Aces count as ones):…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Let A denote the event of placing a $1 straight bet on a certain lottery and winning. Suppose that,…

A: General formula of probability is ,    Probability =Number of favorable outcomes Total outcomes

Q: An engineer must decide between two ways to pump concrete to the top of a seven-story building. Plan…

A: Plan 1: Leasing cost : $60,000 Total cost of delivering concrete in a year = 5*100*50 = $2,500 Total…

Q: How many factors are in this scenario? For each clearly labeled factor, state how many levels it has…

A: From given data : we have the  the variables study condition and test type

Q: The mean composite score for seniors who took the SAT in 2010 was 1068. If the standard deviation…

A: From the provided information, Mean (µ) = 1068 Standard deviation (σ) = 100

Q: (a) What percentage of books last longer than 10 years? (b) What percentage of books last less than…

A: Given: The lifespan of all high school text book is approximately normal with μ=9 yearsσ=2.5 years

Q: The data below represent the infant mortality rates and the life expectancies for seven selected…

A: Given information: Infant Mortality Life Expectancy 63 45 199 31 71 51 61 47 67 39 35…

Q: Sarah is conducting a research only study in which one group of participants consume one cup of…

A: The study is about assessing attention levels of these participants.

Q: Suppose a variable X has sample mean 200 and standard deviation 10 and the variable Y has sample…

A: Given For X  ( mean = 200 , SD= 10) Y( mean=4000, SD=100) We have to calculate predicted value of Y…

Q: Let 8 = (B, o^2 )^T denotes the unknown parameters for multiple linear regression. Find the…

A: Given information : Let θ=(β,σ2)T  which denotes the unknown parameter of the multiple regression…

Q: IELTS Scores Table A Class B Class 560 494 546 483 581 528 531 550 570 506 537 483 557 526 570 526…

A: Given data: A Class B Class 560 494 546 483 581 528 531 550 570 506 537 483 557 526…

Q: A time series {yt} follows an MA(2) model: Yt = 2 + Ut +0.54t-1 + 0.4ut-2. Assume that ut is a white…

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Q: The probability distribution for the random variable, x, is x:2, 2.5,3.0,3.5.4.0 ,4.5 and P(x):0.07,…

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Q: K The pie chart to the right shows how adults rate their financial shape. Suppose 4 people are…

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Q: A company is conducting a survey to determine how prep people are for a long-term power outage,…

A: Given, Response  Frequency Very prepared  268 Some what prepared 965 Not too prepared 537…

Q: Find the probability that when a couple has two children, at least one of them is a girl. (Assume…

A: From the provided information, A couple has two children that is n = 2 Probability of girl (p) = 0.5

Q: The accompanying table lists probabilities for the corresponding numbers of unlicensed software…

A: Number of unlicensed software packages x p(x) 0 0.125 1 0.375 2 0.375 3 0.125

Q: Use the pie chart at the right, which shows the number of workers (in thousands) by industry for a…

A: Given All in thousands  Number of mining and customer=11808 number of agriculture forestry, fishing…

Q: A fair die is thrown, find the amount of information gained if you are told that 4 will appear. a. O…

A: Given information: A fair die is thrown and we are told that 4 will appear.

Q: Suppose you measure many many heights and get the following histograms Histogram of Height X Top…

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Q: Fill in the blank. The classical approach to probability requires that the outcomes are

A: Given: The classical approach to probability requires that the outcomes are the ??

Q: The mean critical reading score for seniors who took the SAT in 2018 was 536. If the standard…

A: Given Mean μ=536, standard deviation σ=115  X=435

Q: Question: From the normal curve of error, find the probability that a result is outside the limits…

A: The error in an experiment may be defined as the difference between the observed value and the…

Q: Determine whether the following procedure results in a binomial distribution or a distribution that…

A: Since we know that the condition for applying binomial distribution is given as : 1) Number of…

Q: The chickens at Colonel Thompson's Ranch have a mean weight of 1850 g, with a standard deviation of…

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Q: Example 8. Present the data given below by suitable diagram. 2011 1000 Year: No. of students : 2010…

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Q: The probabilities of two events A and B are 0.23 and 0.30 respectively. The probability that both…

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Q: Use the data in the following table, which lists drive-thru order accuracy at popular fast food…

A: The drive-thru order accuracy at popular fast food chains is given below. From the table, the total…

Q: Determine the sample mean pulse of the following two simple random samples of size 3.   Sample​ 1:…

A: Given: Sample size, n=3 Student Pulse   Perpectual Bempah 68   Megan Brooks 68   Jeff…

Q: The mean playing time for a large collection of compact discs is 34 minutes, and the standard…

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Q: Suppose Z follows the standard normal distribution. calculate: P(-0.59 < Z < 2.07) =

A: Given that  P(-0.59 &lt; Z &lt; 2.07) Z follows standard normal distribution

Q: The quantitative subtest of the Graduate Record Exam (GRE) has a mean of 500 and a standard…

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Q: An experiment is investigating the effects of two drugs on the activity of rats. Drug A is a…

A: Given data: Drug A Drug B 8 14 9 12 11 11 14 11 10 12 9 12 12 11 6 14 10 9 11…