Without using MGF technique, prove or disapprove that is a pivotal quantity

Q: 3.57 Consider the experiment depicted by the Venn diagram, with the sample space S containing five…

A: Given: P(E1) =0.20 P(E2 )=0.30 P(E3)=0.30 P(E4)=0.10 P(E5)=0.10

Q: e below gives the r region. nber of elementary school struct a cumulative frequency distribution.…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: 2 3 4 S Eight blood types are shown by the eight regions of the Venn diagram shown here. Each circle…

A: Introduction: It is needed to obtain the number of people with blood type B−.

Q: A survey was conducted about real estate prices. Data collected is 111953, 209133, 362847, 430574,…

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A: Given: Mean μ = 3.7 Standard deviation σ = 1.3 Formula Used: Z-score = X-μσ

Q: LADS, TIL gy assignments, and a final exam. The final average for the course is the weighted average…

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Q: Find the interquartile range of the following numbers: 9 10 8 12 8 7 8 4 20 12 7 9 12 9 6 11 9 8 9…

A: Introduction Researchers could gauge how segmented the original data set is by examining the range.…

Q: A pharmaceutical company has recently introduced a new pain killer into the market. The pain killer…

A: Answer: The Holt's Exponential Method, The three equation of this method are 1.Level of estimate…

Q: Find the 44th percentile, P44, from the following data 2 5 6 7 8 9 13 15 21 22 25 28 31 32 35 49 53…

A: here given data are :- 2,5,6,7,8, 9,13,15,21,22, 25,28,31,32,35, 49,53,54,56,57, 58,59,62,64,69,…

Q: K The ages of a group of 126 randomly selected adult females have a standard deviation of 17.2…

A: We have given  Standard deviation(σ) = 17.2Margin of error (E) = 1/2 = 0.5Significance level (α) = 1…

Q: Example 15. The coefficient of rank correlation of the marks obtained by 10 students in statistics…

A:

Q: Consider the figures above, Which one represent a negatively skewed data? A positively kewed data?…

A: Given that skewed data figures above in the question

Q: Exam 1 score is the explanatory variable and hours spent studying Exam 1 is the response. True False

A: Explanatory Variable:   The variable which are chosen independently for any model like regression…

Q: from the

A: The standard deviation and average deviation,  are two of the most frequently used measures for…

Q: 2 3 4 S 6 Va Eight blood types are shown by the eight regions of the Venn diagram shown here. Each…

A: Introduction: It is required to find the number of people with blood type B−.

Q: Let x denote the time (in minutes) that it takes a fifth-grade student to read a certain passage.…

A: Solution-: Given: μ=2,σ=0.5    We want to find, (a) When n=9, μx¯=?and σx¯=? (b) When n=40, μx¯=?and…

Q: ompute Find the 90% Confidence Interval below.

A: From given data we have ; 2,99,000 1,15,000 1,45,000 2,19,000 1,39,900 75,000…

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A: Let X be the random variable from normal distribution with mean (μ) = 4.1, standard deviation (σ) =…

Q: Find the 64th percentile, P64, from the following data 2 3 4 6 10 11 12 14 16 18 20 35 37 42 56 62…

A: Data given  2,3,4,6,10,11,12,14,16,18,20,35,37,42,56,62,67,73,76,77,78,87,95

Q: 2. 1/3 B The data set represents the heights, in centimeters, of ten model bridges made for an…

A: The heights (in centimeters) of the given model bridges are: 13, 14, 14, 16, 16, 16, 16, 18, 18, 19…

Q: A cellular phone company monitors monthly phone usage. The following data represent the monthly…

A: Given information- We have given the data of monthly phone usage of a cellular phone company. The…

Q: Estimate p-value using the following randomization distribution for a correlation between two…

A:

Q: answer d

A: From the  above parts we have  µx̅ = 155σx̅  = 6.75

Q: Find the upper class limit of the second class

A: From given frequency Histogram, Class Interval Frequency 70.5-75.5 10 75.5-80.5 4 80.5-85.5…

Q: Find the odds for drawing a club from a standard 52 card deck

A: given data  odds of drawing a club from a standard deck = ?

Q: The cost (in cents) of producing a bag of mulch is 75 + 2X, where X is the number of pounds per bag.…

A: From given data we have : Weight    44      45       46       47       48       49      50P(x)…

Q: The variance in a production process is an important measure of the quality of the process. A large…

A:

Q: DESCRIPTIVE STATISTICS Table 2.30 Frequency Distribution of Family Incomes

A: Given : Family Income  Frequency (f) Cumulative freqeuncy  (CF) 10,000 - 11,999 12 12 12,000…

Q: (b) What are the standard deviations of battery life for the two samples? (Round your answers to two…

A: Given: Talking Internet 35.8 14 22.2 11.5 24 16.4 32.6 11.9 18.5 9.9 43.5 3.1 28…

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A: From the provided information, Sample size (n) = 37 Test statistic (t) = -2.706 Level of…

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Q: The following information is available for two samples drawn from independent normally distributed…

A: We have given that For Population A : nA = 25, SA = 136.9 For Population B : nA = 25, SA = 110.5…

Q: 4) Which among the following experimental set-ups (a, b, c) have a lesser experimental error?…

A: Experimental error: This term is vaguely used in Design of experiments. It may be defined as the…

Q: The cross-tabulation table below shows partial results from a study done at the June Mountain ski…

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Q: A random sample of 10 subjects have weights with a standard deviation of 13.5217 kg. What is the…

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Q: Use the information below to construct a 2x2 table and answer the following question: Risk Factor…

A: Given that   We have to find population attributable risk :

Q: Consider an example where a company initially has a 10% market share. Using an advertising campaign,…

A: The probability that a customer will use and stick to the company brand is: P(Company brand)=0.80…

Q: Students’ ID numbers are______ variable? A. Discrete B. Continuous C. Nominal D. Ordinal

A: The statement is 'the type of variable for Students' ID numbers'.

Q: If 10 percent of the balls in a certain box are red, and if 20 balls are selected from the box at…

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Q: 6. In all the state of the union (SOTU) addresses since that of President George Washington in the…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: 125 sports fans were interviwed and asked what types of sport they have been to in the last year…

A: Given ,  125 sports fans were interviewed 74 had been to soccer.  36 had been to rugby. 66 had been…

Q: A sample is collected from the items produced by a company. The sample size is 49. The standard…

A: Answer: From the given data, Population standard deviation (σ) = 0.32 Sample size (n) = 49

Q: True or False. The standard deviation of the mean is less than the sample standard deviation because…

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Q: For a data set of the pulse rates for a sample of adult​ females, the lowest pulse rate is 34 beats…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: 89 100 97 90 59 53 89 92 68 94 62 73 68 67 88 59 77 79 74 99 67 61 97 94 85…

A: Since you have posted a question with multiple subparts, we will solve first three subparts for you.…

Q: The number of earthquakes that occur per week in California follows a Poisson distribution with a…

A: Given: The number of earthquakes that occur per week in California follows a Poisson distribution…

Q: t X be a random variable which represents the lifetime in years of a particular battery. We are…

A: Given: X is lifetime in years of a battery X ~ Exp λ=0.15 Let a denote 99 percentile. P(X < a )=…

Q: A Filipino maize breeder who is apprehensive about the low rate of adoption of new high-yielding…

A: Given information: A maize breeder is apprehensive about the low acceptance of new high yielding…