A biologist measures the length (in inches) of 11 baby snakes. Their lengths are given below. Length (inches) 5.2 4.7 4.3 6.4 4.9 5.1 5.5 4.8 4.3 4.6 5.2 Use a calculator to draw the histogram for this grouped data using 5 classes.

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A: We have given statement is  The binomial distribution is used to model the number of trials until…

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A: Given that  Sample size = n = 121 , Sample mean = 4.21  Population Standard Deviation = 0.83…

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A:

Q: An Engineer has a duty of conducting compressive strength test for 50 concrete cubes. 40 cubes…

A: Given that  Number of passed cubes = 40 Number of failed cubes = 10 Total cubes = 50

Q: answer the d part question.

A: Given:  Probability distribution of x     X:     1,     2,      4,       8,       16 P(x):0.05,…

Q: Data for 64 male college athletes was collected. The data on weight (in pounds) are roughly bell…

A: From the provided information, Sample size (n) = 64 Mean (x̄) = 151 Standard deviation (s) = 22

Q: Suppose X ~ N(6, 2). What value of x is two standard deviations to the right of the mean?

A:

Q: An ecologist randomly samples 11 plants of a specific species and measures their heights. He finds…

A: Given, mean of 11 plants is 17 and standard deviation is 2 cm. We will find one sample t-confidence…

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A:

Q: All or nearly all of the observations fall within the interval (Type a whole number.)

A: It is given that Mean = 72, SD = 4

Q: Construct a histogram and an ogive

A: Given that  Class  Frequency  15 - 18 2 19 - 22 5 23 - 26 4 27 - 30 5 31 - 34 4

Q: Let X be a random variable and c be a constant. Then Var(X+c) = Var(X), always.   True False

A: In the above expression, c is constant and X is random variable.  We know that, the variance of…

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A: home owner's…

Q: We want to predict the selling price of a house in Newburg Park, Florida, based on the distance the…

A: Given data is x y xy 7.7 290.8 2239.16 18.5 215.0 3977.5 6.3 304.4 1917.72 11.9 269.9…

Q: Samples of rejuvenated mitochondria are mutated (defective) in 1% of cases. Suppose 12 samples are…

A: Samples of rejuvenated mitochondria are mutated in 1% of the cases. So, probability that a randomly…

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A:

Q: the standard deviation Marks Obtained 10-20 20-30 30-40 40-50 50-60 No. of Students 2 3 14 8 60-70 3…

A: From the provided information, Marks Obtained 10-20 20-30 30-40 40-50 50-60 60-70 70-80 No. of…

Q: Problem 4 A company has found that 80% of its new management hires are meeting expectations, while…

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

Q: The following data represents the number of engineers, technicians and administrators for 60…

A: Hint: Struges and Yule formula for the number of classes ( k ) and class width is; Number of Classes…

Q: Determine the difference between the fourth moment about the origin (10) and the fourth moment about…

A: Given information: Moment of origin=10n=4

Q: A large scale study conducted over a one year period has shown that break-ins at home occur about 6%…

A:

Q: For a binomial distribution, with p = .25 and n = 48, what is the z-score corresponding to X = 15?

A: We have given that p = 0.25 n = 48 We have to find the z-score

Q: randomly selected individuals are independent of one another, what is the probability that both…

A: Given:  proportions of blood phenotypes in a particular population are as follows: 1): Assuming that…

Q: Noodles and Company tested consumer reaction to two spaghetti sauces. Each of 70 judges rated both…

A: Given information: No. of samples=2No. of observations in each sample=70Rate of scores=1-10

Q: Forty-five randomly selected car salespeople were asked the number of cars they generally sell in…

A:

Q: X is a normally distributed random variable with mean 32 and standard deviation 4. Find the z score…

A:

Q: a. b. C. d. If we have a population consists of 5 people and their wights in kilograms are: 76, 58,…

A: Hint:  Population Mean Y =1N∑Yi Population Variance  σ2  = 1N∑yi-Y2 Sample mean  y =1n∑yi Sample…

Q: The data shown in the table below represents statistic measures of students marks in science in two…

A:

Q: Are the digits of your R-number a quantitative or qualitative variable?

A: Quantitative variables : Variables consist numbers known as Quantitative. Example : Height, age,…

Q: elow are the number of cars processed each hour last week. Monday 60, 60, 71, 75, 99, 73, 74, 60,…

A:

Q: In a poll of 225randomly selected U.S. adults, 117 said they favored a new proposition. Based on…

A: It is given that in a poll of 225 randomly selected U.S. adults, 117 said they favored a new…

Q: Seventy fishermen competed in a fishing derby at Lake Katchalot over the weekend. The graph below of…

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Q: following table, the unit being given to the nearest thousand grams per squa inch. Breaking strength…

A: Given: Breaking strength Number of pieces (f) 44 - 46 3 46 - 48 24 48 - 50 27 50 - 52 21…

Q: a study of new designs for the Pennsylvania state license plate, a television crew sampled PA…

A: Given information: Statement: Study of new designs for the Pennsylvania state license plate.  Way of…

Q: 6. A programming team has 14 members. a) How many ways can a group of seven be chosen to work on a…

A: We have given that Total number of members = 14 Here we will use the concept of combination to find…

Q: In a survey of n = 400 randomly selected Americans, a polling organization asked: "Do you favor…

A: Dear student according to the guidelines we solve only first question when multiple questions are…

Q: An installation technician for a specialized communication system is dispatched to a city only when…

A:

Q: c. 31 to 49, at least d. 26 to 54, at least e. 22 to 58, at least 69 %0 % %

A: Given that  Mean = 40 , Sample standard deviations = 5

Q: Determine the values of random variable in the following situation. Two dice are rolled. Let Y be…

A: Given that the two dice are rolled. The total outcomes are, (1, 1), (1, 2), (1, 3), (1, 4), (1, 5),…

Q: can you answer d and e

A: Given: Assume gasoline is sold in a competitive market, the equilibrium price is $50 per barrel, and…

Q: The standard deviation of test scores on a certain achievement test is 10.7. A random sample of 60…

A: It is given that a random sample of 60 scores on this test had a mean of 76.1 and the population…

Q: The median of 2, 9, 3, 5, 4, 7, 10, 2, 3, 12 is = 5.5 4.5 04 3.5

A: Given data(x) is;2,9,3,5,4,7,10,2,3,12data in ascending order;2,2,3,3,4,5,7,9,10,12number of…

Q: A company decides to investigate the amount of sick leave taken by its employees. A sample of seven…

A: Given that  The data are : 1 , 1 , 3 , 0 , 0 , 6 , 3

Q: "The Northside rifle team has two markspersons, Dick and Sally. Dick hits a bull’s-eye 90% of the…

A: It is given that, Dick hits a bull’s-eye 90% of the time, and Sally hits a bull’s-eye 95% of the…

Q: One year, the distribution of salaries for professional sports players had mean $1.9 million and…

A: Given that: Population mean, μ=$1.9 million Population standard deviation, σ=$0.8 million Sample…

Q: Based on the studio's data and the regression line, complete the following. (a) For these data,…

A: The given regression equation is y^=3.58+0.15x.

Q: QUESTION 11 Suppose the manufacturer of an item wants to test Ho: p= 0.8 against H₁: p= 0.5 for a…

A: Answer

Q: (a)Consider a t distribution with 29 degrees of freedom. Compute P(t ≥−1.63). Round your answer to…

A: ( a ) with 29 degrees of freedom. Compute P(t ≥−1.63) =? ( b)  with 2degrees of freedom. Find the…

Q: Suppose the time required to complete a task is known to be less than 15 minutes. (a) Write the…

A: a) It is given that, the time required to complete a task is known to be less than 15 minutes.

Q: Why is a sample often a better way to obtain information about a population than a census? A. A…

A: Census:- In census,we collect our survey data from entire population.   Sample :- In sample ,we…