The weights (in kg.) of 8 students of class VII are 38, 42, 43, 50, 48, 45, 52 and 50. Test the hypothesis that the variance of the population is 48 kg, assuming the population is normal and H is unknown.

Q: Aeriment is designed to compare five different advertisements for a pen. Advertisement A greatly und...

A:

Q: Let X follow a uniform distribution with interval (0, 100] and Y be the excess loss random variable ...

A: From the given information, X follows a uniform distribution with interval (0, 100]. Let YP be the e...

Q: A die is rolled twice. What is the probability of showing a 5 on the first roll and an even number o...

A:

Q: For each of the following functions, (i) find the constant c so that f(x) is a pdf of a random varia...

A: a. The PDF is given by, f(x) = 1532x4-c<x<c0otherwise i. f(x) is a density function. So,  ∫-∞∞...

Q: tent manufacturer knows from past data that there is an 13.1% chance of having a defect in the zippe...

A:

Q: Ogive is a line graph. The frequency is placed along the vertical axis and the class midpoints are p...

A: We have given statement is  "Ogive is a line graph. The frequency is placed along the vertical axis ...

Q: A 95% confidence interval for the mean m of a population is computed from a random sample and found ...

A: As per Bartleby guideline expert have to answer first question only dear student please upload other...

Q: A researcher was interested in studying if there is a significant relationship between the severity ...

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case yo...

Q: On a freeway 85% of vehicles violate the speed limit (π = 0.85). From the population of all vehicles...

A: The sample size is given by

Q: Two samples of scores on a survey are as follows: Sample A: 10 7 6 Sample B: 183 10 112 7 28. What i...

A:

Q: According to a study, 80 % of adult smokers started smoking before 21 years old. 6 smokers 21 years ...

A: Given,n=6p=0.8q=1-pq=1-0.8=0.2A random variable X~Binomial(n=6 , p=0.8)P(X=x)=6x0.8x0.26-x  ;  x=0,1...

Q: Medical Association  is interested in determining the impact of a new drug on the cholesterol levels...

A: Given : Before After 227 134 289 240 257 230 228 186 303 265 275 242 262 242 290...

Q: Suppose that you have 8 green cards and 5 yellow cards. The cards are well shuffled. You randomly dr...

A:

Q: Given the class interval 78.49 – 85.72, the class mark is _____ , the class size is ______ and the c...

A:

Q: # Of ID Sex Educational Level 2 M 1 M 2. 5 6. • Sex - F for female and M for 7 M 1 male M 2. • Educa...

A: The tabular representation of the data based on sex distribution of the respondents is given by: ...

Q: How many different license plates can be generated if the configuration of the first 4 characters ar...

A: We have to find the number of combination of 7 characters from which, first 4 characters are letters...

Q: Chapter 6: Exploring Residential Coverage Plans Louis and Pearl live in a one-story single-family dw...

A:

Q: gits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F. They are enoted by the subscript 16. For exampl...

A: Given Hexadecimal numbers are made using the sixteen digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D...

Q: Assume the stock price follows a geometric Brownian motion, where current price S0=50, expected retu...

A:

Q: Claire flips a coin 4 times. Using the table, what is the probability that the coin will show tails ...

A: We use the given probability distribution table to find the required probability.   

Q: The mean breaking strength of cables supplied by a manufacturer is 1900 n/m? with a standard deviati...

A: We have given that  Sample size n =60 Sample mean = 1960 Standard deviation =120  

Q: а. Mean b. Median с. Standard Deviation d. Mode Construct a Relative Frequency Histogram Construct a...

A: According to our policy I have solved only 3 subparts for remaining please repost the question . Tha...

Q: For the given data set: [5.1, 7.3, 7.5, 7.2, 7.4, and 7.1] Determine the outlier using Grubbs test. ...

A: The given values are: x : 5.1, 7.3, 7.5, 7.2, 7.4, 7.1

Q: Consider the Standard Normal distribution. The mean is always _____ and the standard deviation is al...

A: We have given that,  Consider the Standard Normal distribution. The mean is always _____ and the sta...

Q: 2.20 Assortative mating: Assortative mating is a nonrandom mating pattern where individuals with sim...

A:

Q: Let X and Y are two random variables with p.d.f given by Rx,y) = 10 [4xy, 0Sx<1 otherwise and their ...

A:

Q: The probability that a contractor will get a plumbing contract, is 2/3 and the probability that he w...

A: Let P=a contractor will get a plumbing contractE=a contractor will get an electric contractGiven,P(P...

Q: 3. Is it safe to conclude that the proportion of satisfied clients of EDGERS Airlines is greater tha...

A:

Q: he middle interval that captures 95% of sample proportions is,

A: Given :  Sample proportion p=0.85  Sample size n=400  Then to find 95% confidence interval of popula...

Q: Fifty-five percent of people who move from an area without fire ants to an area with fire ants get s...

A: From the above data We are given that Fifty-five percent of people who move from an area without fir...

Q: here a sample of a depression inventory                        58,47,52, 61,59,56,49              ...

A:

Q: 2.36 Is it worth it?: Andy is always looking for ways to make money fast. Lately, he has been trying...

A:

Q: Indicate the type of hypothesis  ech of the following, whehter it is directional  or non directional...

A: The hypothesis is said to be directional, if the direction of the hypothesis is less than or greater...

Q: The probability that a contractor will get a plumbing contract, is 2/3 and the probability that he w...

A: Given,P(get a plumbing contract)=23P(get an electric contract)=1-59=49P(get plumbing OR electric con...

Q: P6. Consider the process of a student showing up for an exam in the wrong classroom and have absolut...

A:

Q: Use the Standard Normal Table to determine the z-score that corresponds to the 33rd percentile A) -0...

A:

Q: Bayesian Statistics: You inject 5 mice with substances and record the number of mice that test posit...

A: @solution:::  

Q: The test statistic is .

A: For pond 1 given data : 37.02,37.36,37.01,37.32,36.72,37.45,38.85

Q: Calculate the median and mode (by grouping method) from the following data: Central size : 15 25 35 ...

A: Concentration of all the values around the central value of the given data is known as hypothesis te...

Q: A bank manager would like to waiting time needed by those customers who have visited to his branch. ...

A: GivenMean(x)=8.43standard deviation(s)=0.5473sample size(n)=25confidence interval = 99%

Q: The height of the rose plants in a garden is Normally distributed with a mean 100cms. Given that 10%...

A:

Q: If a can is selected randomly, calculate the probability of getting: a) a defective can; b) a good c...

A: Let us define some events A : a can coming from line A  B : a can coming from line B C : a can comin...

Q: From past experience, the probability that a new worker in a company can complete his daily tasks sa...

A: Let us define some events A : the new worker undergoes the training. B : the new worker does not und...

Q: Determine the probability that the second card is a 6. P(6∣10 of hearts) = ?

A:

Q: Find the probability. A spinner has an equal chance of landing on each of its seven numbered regions...

A: The probability of an event is calculated by dividing the favorable number of outcomes by the total ...

Q: The mean price of houses in a city is $1.5 million with a standard deviation of $500,000. The house ...

A:

Q: Take the following scores from an interval scale and create a frequency table with all appropriate c...

A: For the Given data,  create a frequency table with all appropriate columns

Q: Theorem 5-5. The joint p.d.f. guv (u, v) of the transformed variables U and V is: 8uv (u, v) = fxy (...

A:

Q: Six math books, four physics books and three chemistry books are arranged on a shelf. How many arran...

A:

Q: Gamification is the application of game- design elements and game principles in non-game contexts. I...

A: Given the variables used to conduct a study that the effects of gamification on learning statistics ...