If the average number of rodents in a cotton farm with a surface area of 20 dunams is 2 per dunum, calculate the probability that a given dunam contains more than 3 rodents. Find the value of the constant c that makes the following function a probability mass function c 0.15 0.45 f(x) 4 -13 X

Q: A set of measurements {x₁, x₂, x3,...,x,} has a mean of and a standard deviation of s. What are the…

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Q: Find the standard error of the estimate and the coefficient of determination for the least-squares…

A: The following information has been provided: x y -3 2 1 8 5 14 7 20 9 23 The least…

Q: The probability of finding a significant result if the hypothesis is true is called statistical…

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: Q1/ Grades in statistics class are weighted as follows: Tests are worth 50% of grade, homework is…

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Q: probability that the committee is made up of only students of the same sex?

A: In a class there are 10 girls and 8 boys, a committee is formed with a president, a secretary and a…

Q: 5.2 Table shows the percentage frequency table for the petrol brand most preferred by 50 motorists…

A: The provided information is  Petrol performance counts percentage BP 13 26% Caltex 9 18%…

Q: The probability distribution for the random variable, x, is x:2, 2.5,3.0,3.5,4.0 ,4.5 and P(x):0.07,…

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Q: Compute the expected value for X.

A: here  given  joint distribution of X and Y  here E(X) = ∑X.p(X)

Q: The healing time for a broken clavicle is from a Normal distribution with a mean of 41 days and a…

A: Given,mean(μ)=41standard deviation(σ)=6

Q: If E denotes the expectation (random variable X is denoted the variance of a as (E(X))^2 - E(X False…

A: Given,E denotes the expectation .

Q: In a box containing 8 red balls, 8 green balls and 8 blue balls where 3 balls will be drawn in…

A: Answer:- In a box containing 8 red balls, 8 green balls and 8 blue balls where 3 balls will be drawn…

Q: The random variables A and B have variances 0.2 and 0.5 respectively. Let T= 5A+2B. The variance of…

A: Here given  Var(A) = 0.2 Var(B) = 0.5 T = 5 A + 2B

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

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Q: Calculate the means and standard deviations of:37, 26, 19, 21, 19, 25, 17 O a. 3; 7.141 b. 3;2.414…

A: Given n=7 37,26,19,21,19,25,17

Q: Q6/ Find the probabilities that a random variable having the standard normal distribution will take…

A: Givena)between 0.87 and 1.28

Q: A random variable, z, has p.d.f. f(z) = e ², 0 =< z < 1. Calculate the expected value of z. a. 1 b.…

A: From the provided information, The pdf of z is f (z) = e-z, 0 ≤ z &lt;1

Q: 26. What is the interval notation for the following inequality? "x is greater than or equal to -3" O…

A: Correct notation for X≥-3

Q: a. Determine the variance of 2

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Q: 13. A jar contains 5 red marbles, 3 green marbles, and 4 blue marbles. If a marble is drawn at…

A: Formula : Probability = number of favorable outcome/Total number of outcomes

Q: (1) Find the two-step transition matrix P(2)= (2) Find the three-step transition matrix ⠀⠀⠀ P(3) =…

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Q: .Find the standard deviation of -2, 7.2, 6.9, -10.4, 5.3 6 .a O 6.9 .b O 7 6.78 .CO .d O

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Q: If the probability distribution of a continuous random variable that has values between y = 1 and 3…

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Q: Find the entropy of the source producing the following messages: Px1 = 0.25, Px2 = 0.1, Px3 = 0.15,…

A:

Q: Q6/ Find the probabilities that a random variable having the standard normal distribution will take…

A: Required probability is P(0.87&lt;Z&lt;1.28)

Q: 34. A college offers tutoring in Math, English, and Chemistry. The number of students enrolled in…

A:

Q: Is the given statement true or false? C= "Cn-r a. False O b. True O

A: Given,Crn=n!n-r! r!

Q: P(y) A-If a random variable has a mass function, the probability is defined as follows: 0 1 4 0.25…

A: Note: According to Bartleby guidelines expert solve only one question and maximum 3 subpart of the…

Q: The probability that a component is faulty is 0.04. Two components are picked at random. Calculate…

A: Binomial distribution is given by

Q: O Let assume three times tosses of an unfair coin as random experiment with μ = 2/3 (probability of…

A:

Q: Instructions: Given that a bag of skittles has 15 blue candies, 16 orange candies, 12 yellow, 14…

A: According to our guidelines we will answer only three subparts.  For remaining answers please put a…

Q: Q4/ The average on a statistics test was 78 with a standard deviation of 8. If the test scores are…

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Q: a random variable has probability distribution: x= 0,1,2,3,4,5,6,7…

A: Given information: x 0 1 2 3 4 5 6 7 P(x) 0 k 2k 2k 3k k^2 2k^2 7k(k+1) Total probability…

Q: For numbers 1-5. Refer to the table at the right. 1. In which class can you find the location of the…

A: As the question contains multiple sub parts. As per the company guidelines only Hence, first 3…

Q: Use the Central Limit Theorem to find the mean and standard error of the mean of the indicated…

A: Solution

Q: A random variable, x, has p.d.f. f (x) given by f(x) = 2 when 0< x < 1, The expected value is…

A: Solution

Q: A fair coin (P(heads) = 0.5) is flipped 6 times. What is the probability of flipping fewer than 3…

A:

Q: 4. The effectiveness of a new drug was studied by 3 randomized experimental design (one-way ANOVA)…

A: The provided information is  The ANOVA is Source of Variation Sum of squares Degrees of Freedom…

Q: A and B are two events such that P(A) = = 0.4 and P(AB) = 0.2 Then P(An B) is equal to a. 0.4 b. 0.6…

A: Given : P(A) = 0.4 and P(A n B) = 0.2

Q: The weights of ice cream cartons are normally distributed with a mean weight of 9 ounces and a…

A:

Q: The probability a component is acceptable is 0.8. Five components are picked at random. What is the…

A: Given,n=5p=0.8q=1-0.8=0.2A random variable X~Binomial(n=5  ,  p=0.8)P(X=x)=Cx50.8x0.25-x   ;…

Q: A coin weighted so that P ( H) =3/4 and P( T ) = 1/4 is tossed three times . Let X be the random…

A: Let X be the random variable which denotes the longest string of heads which occurs .  First…

Q: reate a frequency and probability distribution of the sample means.

A: here given  population (1,2,3,4,5 ) now sample of size 3 are selected , so 5C3 = 10 sample are…

Q: 20. Judgmental sampling is a form of convenience sampling in which the population elements are…

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: When estimating the mean age of a population of 5000 individuals, a simple random sample of 50…

A:

Q: Q3/ The probability that a consumer will rate a new antipollution device for cars What are the…

A: Given: Rate Very poor Poor Fair Good Very Good Excellent Probability 0.07 0.12 0.17 0.32 0.21…

Q: A random variable, z, has p.d.f. f (z) = e¯², 0 =< Z < 1. Calculate the expected value of z. a. 1 b.…

A: A random variable, z, has p.d.f. f (z) = e², 0 &lt; Z &lt; 1.

Q: The probability distribution for the random variable,x, is x: 2, 2.5,3.0,3.5,4.0,4.5 and…

A: X 2 2.5 3 3.5 4 4.5 Total P(X) 0.07 0.36 0.21 0.19 0.10 0.07 1

Q: Q2/suppose there were six kinds of toppings that one could order for a pizza. How many combinations…

A: Given,Total no.of toppings=6

Q: The probability that there is no accident at a certain busy intersection is 95% on any given day,…

A: Given: Probability  of no accidents (p) = 0.95   a) Number of days (n) = 7 Let X be binomial…

Q: In Drumheller, Alberta, the town host an annual parade on July 1st to celebrate Canada Day. The…

A: