63. The frequency distribution of marks obtained by 60 students of a class in college is given below : Marks 30–34 35–39 40- 44 45-49 50-54 55-64 No. of Students 3 5 12 18 14 8 Draw Histogram for the distribution and find the modal value.

Q: The probability that a cask contains more than 261 liters of whiskey is If there are 9 casks of whis...

A: Let X denote the volum of whiskey in a cask. Given that X follows Uniform(a = 258.5, b = 261.5). The...

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Q: Five hundred children participaied in a field demonstration. Their heights average 110 cm with a sta...

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are sol...

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Q: A study is conducted involving 15 patients to investigate the relationship between their age and sys...

A: Given ,  patient  Age(x) BP(Y) 1 35 112 2 40 128 3 38 130 4 44 138 5 67 158 6 64 162 ...

Q: What is the value qf (X+ 1) for the following score: 1, 0, 1, 4 O 10 0 9 O 6 4

A: We have given that,  We have to find the value Σ(X+1) = ?      When scores X = 1,0,1,4

Q: 3. The table below shows the number of skilled and unskilled workers in two small communities, toget...

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Q: Why is the null hypothesis for regression usually B 0?

A: The null hypothesis for regression usually β=0

Q: retailer of electronic equipment received 22 HDTVs from the manufacturer. Unknown to the retailer, 4...

A:   retailer of electronic equipment received 22 HDTVs from the manufacturer. Unknown to the retailer,...

Q: Assuming the outcomes to be equally likely, find the probability that first answer is "True." The pr...

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Q: Mixed curve is a type of frequency curve True False O

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Q: i) Let X be a random variable with the PDF f(x: 0) =e-(1-", 00, S(x; A, jµ) = { ^†" -e/", x0 and u> ...

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Q: Sequential Runoff Method Below are the results of an election for the congressional 4th district of ...

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

Q: Calculate the index number using both the Aggregate Expenditure Method and Family Budget Method for ...

A: Solution is given:

Q: In a regression problem, the following pairs of (x, y) are given: (3, 1), (3, –1), (3, 0), (3, –2), ...

A: The regression equation is used to relate the dependent variable with independent variable. The leas...

Q: 5 (i) Let x,, ..., x„ be a random sample from x„) is sufficient for 0? the PDF f(x: 0). What is mean...

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Q: A population has mean u=23 and standard deviation o=7. Round the answers to two decimal places as ne...

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Q: What is the expected value of the number of points you get? Round the answer to two decimal places.

A: There are 3 choices for questioneach right question gain 1 point and each wrong question lose 12 poi...

Q: 67. Calculate the geometric mean of the following data : Wages 55-65 65-75 75-85 85-95 95-105 105-11...

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Q: An article in Fire Technology investigated two different foam expanding agents that can be used in t...

A: For the given data Find 95% C.I  for sigma1^2/sigma2^2

Q: Stress at work: In a poll about work, 84% of respondents said that their jobs were sometimes or alwa...

A: We have given that p = 0.84 n = 12

Q: (b) In a class of 15 students, the coursework marks for all the students are as follows: 15 47 34 46...

A: For the given data Find ( i) Mean ( ii ) Sample mean and sampling error

Q: Additive property: Sum of two independent Poisson processes is a Poisson process.

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Q: Karen wants to advertise how many chocolate chips are in each Big Chip cookie at her bakery. She ran...

A: We have given that, Sample mean (x̄) = 11.9, standard deviation (s)= 3.4 and sample size (n) = 31 Th...

Q: Use the table to find the probabilities for a juice chosen from the shelf at random. P(less than 40...

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Q: Find (i) the Mean of X, (ii) Coefficient of correlation between X and Y.

A: here given N= 50 regression equation X on  Y is 3Y-5X = -180 variance of X is 9/16 of variance of X ...

Q: A paper filter manufacturer supplies filters of nominal grammage equal to 455 g/m?. A customer accep...

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Q: Twenty years ago, Juan Medina and Bertha Zenith got married. The Medina-Zenith family's biggest life...

A: P(Having a boy) = 1/2, P(Having a girl) = 1/2 P(Having atleast one Girl) = 1 - P(Having no girl) P(H...

Q: Find the probability that at most 5 defective bolts will be found in a box of 200 bolts if it is kno...

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Q: Intelligence test given to two groups of boys and girls gave the following information : Mean score ...

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Q: Suppose that A and B are events for which Р(A| B) — 0.8, Р(В A) — 0.15, and Р(A) — 0.2. P(B) =

A:

Q: 8) On a certain campus (assume it is a large university), people of color make up 20% of the student...

A: According our policy we can answer only first three subpart for remaining please repost the question...

Q: Reliability testing has indicated that a voltage inverter has a 6 month reliability of 0.87 without ...

A:

Q: For the Toy Car table above, what are the Planned Order Receipts in the week of 8/31? Number For the...

A: From the table we have 1.700 2.2500 3.3200 4.1750 5.400 6.0 7.3150 8.2100

Q: a. Determine the infant mortality rate (per 1,000) in the Philippines in 1985. b. Determine the post...

A: Given the data as Population Counts in the Philippines, 1985 Total Males 27,437,246 Total Fem...

Q: 2. If a person rolls doubles when he tosses two dice, he wins $5. The cost to play the game is $1. I...

A: As you have mentioned, for only 2nd question. Given : A person rolls doubles when he tossed two dice...

Q: ACTIVITY N0.4 Given the data set below: a) Construct a frequency distribution table, b) show the Cum...

A: Given information:- 13, 24, 32, 21, 9, 35, 33, 22, 41, 40, 43, 8, 25, 46, 43, 50, 54, 52, 8, 11, 12,...

Q: Here are measurements (in millimeters) of a critical dimension on an SRS of 8 of the more than 200 a...

A: Formula : CI=point estimate ± ME

Q: X ev An investigator has reported the data tabulated below. It is known that such data can be modele...

A: Solution:

Q: Given the following data: 3 7 4. 8 10 6 8 15 8. 6. 8 11 15 Obtain the two regression equations and c...

A: X 5 3 7 4 8 2 10 6 8 7 9 15 Y 8 6 8 5 9 6 8 5 11 7 8 15

Q: Twenty years ago, Juan Medina and Bertha Zenith got married. The Medina-Zenith family's biggest life...

A: P(Having a boy) = 1/2, P(Having a girl) = 1/2 P(Having atleast one Girl) = 1 - P(Having no girl) P(H...

Q: A psychiatrist is interested in finding a 98% confidence interval for the tics per hour exhibited by...

A: Given data is 0,0,6,12,8,11,0,1,9,4,1,8,11,0,6sample size(n)=15confidence interval = 98%

Q: Sample distribution of variance follows a Chi-Square distribution with n-1 degrees of freedom True O...

A: Chi square distribution is a sampling distribution of variance.

Q: 20) A gambler places a bet on a horse race. To win, she must pick the top three finishers in order. ...

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Q: There are 2000 autos, 4000 taxis, and 6000 buses in a city. A person can choose any one of these to ...

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Q: In a random sample of 375 students at a university, 318 stated that they were nonsmokers. Based on t...

A: It is given that Sample size n = 375 Number of nonsmokers, X = 318 The critical value of Z at 90% co...

Q: You work for the U.S. Food and Drug Administration. You have gotten word that a drug manufacturing i...

A: Formula : CI=point estimate ± ME

Q: A textile worker in the city of Bombay earns 350 per month. The cost of living for a particular mont...

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Q: 6.59. Control charts for and s have been maintained on a process and have exhibited statistical cont...

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Q: Based on the 95% confidence interval (–0.076, 0.258), is there convincing evidence of a difference i...

A: It is given that 95% confidence interval is (-0.076, 0.258) Test is that whether there is difference...