Find the upper class limit of the second class

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A: Given that  Probability of exactly 5 passengers who do not show up for a flight.

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Q: The Moon Illusion refers, roughly speaking, to the common experience that the moon appears larger…

A: The frequency histogram of Adjustable/fixed ratio is given.

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A: Least square method in statistics is widely used to obtain a best fitting line for a data set. In…

Q: 25.1. were Pg. 36-7, 1. 4.33. At the beginning of a Study of individuals, 3% were Classified as…

A: Given: The probability that individual is a heavy smoker is 0.03 The probability that individual is…

Q: A student goes to the library. Let events B = the student checks out a book and D = the student…

A: Given,P(B)=0.33P(D)=0.24P(D|B)=0.52

Q: Blue Blue Blue Blue Blue Blue Green

A: Here we have to find which color attract insect best  Here we have to use column chart. A column…

Q: Home Sales Prices (hundred thousands) (ten thousands) 0 667778999 1 02447778889999 2…

A: Given that  Stem and leaf plot  Home Sales Prices (hundred thousands) = Stem (ten thousands) =…

Q: 6.82 If Y is a continuous random variable and m is the median of the distribution, then m is such…

A: Given that

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A: The given data set is, 21, 14, 14, 14, 19, 16, 16, 11, 16 The number of observations in the data set…

Q: 38. The life, in years, of a certain type of electrical switch has an exponential distribution with…

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Q: Please use the accompanying Excel data set or accompanying Text file data set when completing the…

A: Given information: 424, 431, 415, 418, 422, 437, 419, 409, 430, 430, 422, 426, 410, 436, 435, 431,…

Q: 2. The cumulative distribution function of a random variable is given by 0. F(x) = 2/3, 11/12, x <…

A: given data   cumulative distribution function f(x) = 0                                   x&lt;012…

Q: Compute the least-squares regression line for predicting y from x given the following summary…

A: given data x¯ = 6y ¯ = 30.2sx = 2.3sy = 1.8r = 0.40we have to compute least square regression line…

Q: Use the sample data and confidence level given below to complete parts (a) through (d). A research…

A: Givenn=1100x=501confidence level=99%

Q: A student randomly guesses at 6 multiple choice questions. Find the probability that the student…

A: given data n = 6 mcq question 4 possible answers ∴ p( correct guess) = p = 14=0.25independent…

Q: a. Σχy, i=1 b. Σ(x)(y) C. (Σ' (Σ'

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

Q: e

A: The normal quantile plot is a graphical tool that may be used to determine if a set of data is…

Q: The median is a better measure of central tendency than the mean if: A. the variable is discrete B.…

A: Introduction: The term "measure of central tendency" entails a statistical assessment that has the…

Q: Seventy-eight percent of the light aircraft that disappear while in flight in a certain country are…

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Q: Question 1 X is a discrete random variable over x E {1,2,3) with probability mass function P(X= 1) =…

A: Answer..

Q: In how many ways can 3 oaks, 5 pines, and 4 maples be arranged along a property line if one does not…

A: From the provided information, There are 3 oaks, 5 pines, and 4 maples trees, that is n1 = 3, n2 = 5…

Q: a) About % percent of students scored over 30.

A: Given that.   X~N( μ , ?2 )   μ=20.9   , ?=5.3   Z-score =( x - μ )/?   NOTE:- mentioned in question…

Q: what is The first quartile is:  The third quartile is:  What percent of the respondents have at…

A: Given: Total number of students=60

Q: Here are the hottest recorded temperatures (in °F) for seven cities throughout North America.…

A: From given data we have : 117,104,104,118,114,112,107

Q: K The data given to the right includes data from 43 candies, and 7 of them are red. The company that…

A: It is given that Sample size n = 43 Number of red candies X = 7 Confidence level = 90%

Q: The Mathematics section of the ACT test had a mean of 20.9 and an SD of 5.3 for the years 2013-2015.…

A:

Q: Based on the Nielsen ratings, the local CBS affiliate claims its 10 p.m Newscast reaches 54% of…

A: Answer: From the given data, Population proportion (P) = 54%                                      =…

Q: Why do we divide by 2!2!2! ? What theorem is this?

A: In question,  6 time slots for commercials. Three sponsors  commercials for each shown to be twice.

Q: The population mean (u) represents a ___? A. Parameter B. Statistic

A: we have to find population mean represents what parameter or statistics.

Q: Following are measurements of soil concentrations (in mg /kg) of chromium (Cr) and nickel (Ni) at 20…

A: Given: Cr 260 19 36 247 263 319 317 277 319 264 23 29 61 119 33 281 21 35 64 30 Ni 435 377 359…

Q: Before a new phone system was installed, the amount a company spent on personal calls followed a…

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Q: The times required by 3 workers to perform an assembly-line task wen recorded on five randomly…

A: Given data: Hank Susan Joseph 8 8 10 10 9 9 9 9 10 11 8 11 10 10 9 Significance…

Q: f ​P(E)=0.40​, ​P(E or ​F)=0.65​, and​ P(E and ​F)=0.05​, find​ P(F).

A: Ans# Here, P(E)=0.40, P(E or F)=0.65, and​ P(E and F)=0.05.          Find​ P(F).

Q: Scores on an English test are normally distributed with a mean of 30.6 and a standard deviation of…

A:

Q: The mean household income in the US in 2019 was about $89,930 and the standard deviation was about…

A: Given: Population mean μ = 89930 Population standard deviation σ = 85000 Median = 59039 Z-score =…

Q: QUESTION 10 Suppose the diagram of an electrical system is as given in Figure 2.10 on page 71 of the…

A: Given information: The probabilities are given for the four components. P(A)=0.95 P(B)=0.7 P(C)=0.8…

Q: A normal distribution has a mean of 13 and a standard deviation of 3. Use the 68-95-99.7 rule to…

A: Introduction The normal distribution demonstrates a balanced projection of observations around its…

Q: A company is considering a new product launch. There is a 0.6 chance that demand for the product…

A: Decision trees are a popular technique to take a complex decision and break it down into simpler…

Q: Question 1 X is a discrete random variable over x E (1.2.3) with probability mass function P(X= 1) =…

A: The question is about discrete probability distribution Given :   To find : a ) E ( ln X ) b ) E…

Q: The yearly number of traffic fatalities involving a bus is given below. 18 18 18 21 22 26 27 28 31…

A: From the provided information, Number of observations (n) = 27

Q: For the distribution shown below, identify the mean, median and mode. Frequency 2.5 2.0 1.5 1.0 9:0…

A: It is given that the frequency distribution graph. Here, need to find out the correct choice for the…

Q: 6. A 90% confidence interval for p is given as (0.35,0.65). How large was the sample used to…

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Q: Find the proportion of Normally distributed observations with a Z Z-score below 2.51. Give your…

A: From the provided information,  The distribution is normal and the z score is below 2.51.

Q: Suppose a random sample of n = 22 measurements is selected from a population with mean, μ = 53, and…

A: The random variable sample mean follows normal distribution. Since the sample size is large enough…

Q: Identify the following measures as either quantitative or qualitative: a. The genders of the first…

A: The variable, which is essentially measured through a nominal scale is described as a qualitative…

Q: You are given a collection of straws of different lengths. There are six 12” straws, twelve 6”…

A: Given information: 12" straws: 6 6" straws: 12 3" straws: 24 Total straws: 42 Average length before…

Q: 6. (L&K 4.24) In problem 5, test the null hypothesis Ho = 6 at significance level a = 0.05.

A: Given: n = 10 α = 0.05 Formula Used: Test-statistic t = X-μs2n

Q: An independent consumer group published its finding that the lifetimes of electric bulbs…

A: The given information is, BIG corporation claims that the variance of its electric bulbs is less…

Q: The data table showing the results on the competitors success are shown below with the expected…

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